Shanghai Gokai Industry Co,.Ltd.
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Views: 257 Author: Gokai Publish Time: 2026-11-08 Origin: Site
Content Menu
● Why Source Clear Cast Acrylic Sheet from China?
>> Manufacturing Options Across Several Production Regions
>> What Recent Industry Research Actually Tells Buyers
● How This Manufacturer Shortlist Was Developed
● Manufacturer Comparison: Capacity, MOQ, and Certification Evidence
● Top 10 Clear Cast Acrylic Sheet Manufacturers in China
>> 1. Shanghai Gokai Industry Co., Ltd.
>> 2. Jumei Acrylic Manufacturing Co., Ltd.
>> 3. Donchamp
>> 4. Shanghai Ray Chung Acrylic Enterprise Co., Ltd.
>> 6. Shen Chuen Acrylic (Ningbo) Co., Ltd.
>> 7. Zhejiang Shengdalong Acrylic Co., Ltd. / SEDALO
>> 8. Jiangxi Oulida Industrial
>> 9. Goldensign Group / Apexplast
>> 10. Zhejiang Xinhai Acrylic Sheet Manufacturing Co., Ltd.
● Buyer's Guide: How to Qualify Clear Cast Acrylic Sheet Suppliers
>> Define the Product Before Requesting Prices
>> Separate Material Testing from Certification
>> Use a Three-Stage Sample Approval Process
>> Compare Usable Cost, Not Just Sheet Price
>> Specify Export Packing and Claims Procedures
● An Often-Overlooked Pitfall: Approving a Sample Without Locking the Production Grade
● Choose the Supplier That Fits Your Operating Requirements
● FAQ
>> 1. How Can I Check Whether a Manufacturer's ISO Certificate Has Expired?
>> 2. Does a CE Certificate Prove That Clear Cast Acrylic Sheet Is Suitable for Europe?
>> 3. Can Recycled-Content Cast Acrylic Replace Virgin Material in an Existing Specification?
>> 4. Why Do Two "Clear Cast Acrylic" Quotations Differ So Much?
>> 5. How Can I Verify Whether a Supplier's Capacity Can Support My Orders?
China offers international buyers a broad choice of clear cast acrylic sheet manufacturers, from specialized casting factories to diversified sheet-material suppliers supporting private-label distribution and customized orders. The sourcing challenge is not finding a competitive quotation. It is identifying a partner that can repeatedly deliver the agreed material grade, optical quality, thickness, documentation, and shipping condition.
A reliable supplier evaluation should therefore begin with traceability: the ability to connect the quoted specification to the raw material, production site, inspection records, and delivered batch. Factory certifications, research and development capabilities, quality-control procedures, and delivery performance matter most when they support that connection.
This guide profiles ten manufacturers and manufacturing groups worth considering for clear cast acrylic sheet procurement. Shanghai Gokai Industry Co., Ltd. appears first as a practical starting point for buyers seeking a flexible OEM relationship across acrylic and related sheet materials. The list is a sourcing shortlist, not an independently audited ranking by revenue, production volume, or product performance.
The companies in this guide illustrate the geographic depth of China's acrylic sheet supply base:
- Shanghai and Jiangsu offer acrylic manufacturing, international sales coordination, and specialized project capabilities.
- Zhejiang includes established cast acrylic producers around Ningbo and Lanxi.
- Jiangxi hosts manufacturers with substantial casting facilities.
- Guangdong provides both cast and extruded acrylic production, including suppliers serving display, decorative, and fabrication applications.
For procurement teams, this distribution creates options. A distributor purchasing standard clear sheets may prioritize production consistency and replenishment schedules. A smaller brand may place greater value on responsive communication, customized packaging, and manageable trial orders.
China's international supply role also appears in official trade data. World Bank WITS data based on UN Comtrade records shows that China exported approximately US$26.65 million and 10.28 million kilograms of products under HS 392051 to the United Arab Emirates in 2024. However, this customs category covers qualifying PMMA plates and sheets more broadly; it does not separately identify clear cast acrylic sheet. It should not be presented as a cast-acrylic-only export figure.
Cognitive Market Research's acrylic sheets report uses 2025 as its base year and distinguishes extruded, cast, cell-cast, and continuous-cast product segments. Its supplier coverage includes companies such as Donchamp, Jumei, Shen Chuen, Ray Chung, and Xishun. The public report page does not disclose usable market-size figures, so quoting an exact industry value from that page would be misleading.
The procurement lesson is straightforward: "acrylic sheet" is not a sufficiently precise purchasing specification. Buyers must identify the manufacturing route, material composition, and performance requirements before comparing prices.
The following criteria provide a transparent framework for evaluating long-term suppliers.
| Evaluation Area | What Buyers Should Examine | Why It Matters |
|---|---|---|
| Manufacturing relevance | Evidence of cast PMMA sheet production or a clearly identified acrylic manufacturing division | Separates relevant producers from unrelated material suppliers |
| Material specification | Virgin, recycled-content, or other declared feedstock; permitted substitutions | Prevents purchasing a different grade from the approved sample |
| Technical development | Ability to discuss thickness, optical requirements, fabrication behavior, and application limitations | Shows whether customization goes beyond packaging |
| Quality control | Batch identification, thickness mapping, visual inspection, test records, and retained samples | Supports repeatability and claim investigation |
| Certification and compliance | Certificate validity, covered legal entity, manufacturing address, and product-specific reports | Prevents reliance on unrelated or expired documents |
| Production planning | Available casting capacity, actual scheduling, maintenance, and backup arrangements | Helps distinguish theoretical capacity from deliverable supply |
| OEM support | Dimensions, masking, labeling, packing, documentation, and order coordination | Determines how well the supplier fits the buyer’s operating model |
The figures below are not directly interchangeable. Some describe group-wide production, some cover several material types, and others come from older profiles. None should be interpreted as guaranteed available capacity for clear cast acrylic sheet.
"Quotation required" means that a dependable, generally applicable MOQ was not established from the reviewed information. Stock sheets, custom casting, printed masking, and private-label packaging can have different minimums.
| Manufacturer | Published Capacity or Production Indicator | Clear Cast Acrylic MOQ | Certification or Documentation Position |
|---|---|---|---|
| Shanghai Gokai Industry Co., Ltd. | 10 production lines across its reported manufacturing operations; acrylic-only tonnage not stated | Quotation required | About page does not establish current acrylic-specific certification status |
| Jumei Acrylic Manufacturing Co., Ltd. | Main company profile states 20,000 tonnes annually | Quotation required | Publishes ISO 9001 and testing/conformity claims; request current documents |
| Donchamp | International site states 60,000-tonne site capacity across its product portfolio | Quotation required | Obtain certificates and test reports for the contracting entity and selected grade |
| Shanghai Ray Chung Acrylic Enterprise Co., Ltd. | Shanghai profile states 6,000 tonnes annually | Quotation required | Publishes quality-management and REACH/RoHS-related claims; verify scope and reports |
| Xishun Acrylic | Group profile states 60,000 tonnes annually across production bases and processes | Quotation required | Confirm the manufacturing site and grade-specific documentation |
| Shen Chuen Acrylic (Ningbo) Co., Ltd. | Historical company profile states 15,000 tonnes annually | Quotation required | Request current management certificates and product reports |
| Zhejiang Shengdalong Acrylic Co., Ltd. / SEDALO | Supplier listing states 28,000 tonnes annually | Quotation required | Listing claims require verification against original certificates and reports |
| Jiangxi Oulida Industrial | Company site states 20,000 tonnes annually | Quotation required | Reports renewal of ISO 9001, ISO 14001, and ISO 45001 in October 2025 |
| Goldensign Group / Apexplast | Acrylic-specific capacity not established in reviewed pages | Quotation required | Group distinguishes acrylic manufacturing standards from PVC and equipment certifications |
| Zhejiang Xinhai Acrylic Sheet Manufacturing Co., Ltd. | Supplier profile states maximum capacity of 15,000 tonnes annually | Quotation required | Request current certificates, test reports, and production-site confirmation |
Established: 2009
Headquarters: Shanghai
Market orientation: International sheet-material sourcing and global OEM customers
Shanghai Gokai Industry Co., Ltd. specializes in the research, development, and manufacture of acrylic sheet and PVC foam board. Its company profile states that the business was founded in 2009 and operates ten production lines. That number covers its stated manufacturing operations; it should not be described as ten dedicated clear cast acrylic lines.
Gokai is a relevant first contact for small and mid-sized brands seeking a value-focused supplier relationship rather than simply the largest possible production platform. Its combination of acrylic and related board products creates a useful discussion point for buyers managing several material categories. The company's published profile also identifies export packing formats including corner protection, wooden pallets, and cartons.
For OEM procurement, the most useful scope to discuss includes:
- Clear cast acrylic dimensions and thickness requirements.
- Protective masking, labels, and private-label presentation.
- Export packaging and pallet configuration.
- Sample approval and repeat-order specification control.
- Coordination of acrylic and other sheet-material requirements.
Gokai's development focus makes it worth evaluating for application-led customization. However, communication efficiency, trial-order flexibility, and customization depth should be measured during the quotation and sampling process, not treated as independently proven performance claims.
Buyer checkpoint: Ask Gokai to identify the production site for the proposed clear cast grade, confirm the material formulation, and provide a written sample-to-production approval procedure.
Established: Legal entity listed as November 29, 2011; the company separately describes a longer manufacturing background
Manufacturing location: Shangrao, Jiangxi
Published markets: North America, Europe, South Asia, the Middle East, South America, Oceania, and Africa
Jumei is a specialized acrylic manufacturer whose main company profile describes a 50,000-square-meter facility and annual productivity of 20,000 tonnes. It also states that it uses pure virgin raw material and operates automated casting lines.
Its principal attraction is a manufacturing proposition centered on acrylic rather than a broad, unrelated product catalogue. OEM discussions can cover sheet formats, thicknesses, colors, and related acrylic product requirements.
Buyers should distinguish corporate registration history from accumulated manufacturing experience. They should also clarify capacity: different public pages describe different production footprints and output figures. Use the named factory's current written declaration rather than combining figures from several pages.
Buyer checkpoint: Obtain a plant-specific quotation identifying the manufacturing address, current capacity, material grade, and certificate scope.
Established: 2003 for the principal acrylic manufacturing company
Location: Taixing, Jiangsu
Market orientation: Domestic and international industrial, architectural, display, and specialized project applications
Donchamp has a particularly broad acrylic manufacturing proposition. Its Chinese company profile identifies cast acrylic sheet as a core business, while its international site describes cell-cast and extruded PMMA sheets and blocks.
The group's technical scope extends beyond standard clear sheet. Its published applications include optical instruments, medical equipment, rail transportation, research, signage, and specialized acrylic projects. This makes it relevant when procurement requires technical development or unusually demanding dimensions.
OEM and project discussions may involve custom sheet or block specifications and downstream engineering services. However, standard sheet purchasing and engineered installation projects should be evaluated as separate supply scopes.
Buyer checkpoint: Confirm whether the quotation covers ordinary clear cast sheet, thick block, bonded assemblies, or a complete engineered project. Do not transfer performance claims between these categories.
Established: Parent business founded in 1980; Shanghai factory entity listed as established in 2004
Location: Qingpu, Shanghai
Market orientation: Domestic and overseas cast acrylic customers
Ray Chung's company profile distinguishes its original Taiwan operation from its Shanghai manufacturing site. The Shanghai factory is listed with annual capacity of 6,000 tonnes, making the mainland production entity relevant to this shortlist.
The company focuses on cast acrylic sheets and publishes clear, colored, and specialty product options. Its materials also refer to REACH and RoHS-related documentation. These claims should be checked against the actual grade, report date, and customer application.
Its likely procurement fit is a buyer seeking an established cast-sheet specialist with documented product variety. OEM discussions should focus on sheet specifications and specialty finishes rather than assuming full finished-product design services.
Buyer checkpoint: Verify that the invoice, certificate, test report, and production address all refer to the intended Shanghai supply arrangement.
Established: 1996
Original location: Foshan, Guangdong
Published markets: Company reports sales in 58 countries and regions
Xishun's published profile describes a multi-base manufacturing group producing both cast and extruded acrylic. It reports 60,000 tonnes of annual group capacity and lists production locations in China and overseas. That figure should not be presented as mainland clear cast acrylic capacity alone.
Its broad portfolio includes transparent sheet, cast sheet, decorative materials, functional grades, and other acrylic forms. This makes Xishun relevant for buyers seeking clear sheet alongside decorative or application-specific products.
OEM discussions can address appearance, functionality, and sheet specifications. The main qualification task is to establish exactly which factory and process will produce the ordered grade.
Buyer checkpoint: Put "cast PMMA sheet" explicitly in the purchase specification. A supplier offering both extrusion and casting should not have discretion to substitute one for the other.
Established: Business origins in the 1970s; manufacturing relocated to Ningbo in 1992; current-name history includes a 2013 relocation
Location: Ningbo, Zhejiang
Published markets: Domestic and international customers
Shen Chuen describes itself as a specialist cast acrylic manufacturer integrating development, production, and sales. Its historical company profile reports three production lines and annual capacity of 15,000 tonnes. Because that profile refers to its position in 2016, buyers should request an updated capacity statement.
Its published application areas include advertising signs, lighting, construction, bathroom products, and arts and crafts. That range makes it relevant for fabricators seeking sheet material for several conversion processes.
OEM discussions should establish which dimensions, surface options, masking systems, and application-specific grades are currently available.
Buyer checkpoint: Request recent batch records and production details rather than relying on the age of the business as evidence of present-day process control.
Established: April 4, 2007, according to its supplier listing
Location: Lanxi, Zhejiang, with listed production origins also including Jiangxi
Market orientation: Wholesale acrylic sheet sourcing; destination-market breakdown requires confirmation
Shengdalong markets acrylic sheets under the SHENGDALONG and SEDALO names. Its supplier listing describes six cast acrylic production lines, annual capacity of 28,000 tonnes, and a range of sheet dimensions and thicknesses. These are supplier-published claims rather than independently verified operating figures.
The company is worth evaluating for wholesale sheet programs and recurring dimensional requirements. OEM discussions can cover sheet formats, thickness ranges, branding, and export packing.
One technical point requires clarification: the listing uses both "cast acrylic" and "continuous casting" terminology. Buyers should establish the actual manufacturing process instead of assuming that every cast-labelled product is cell-cast.
Buyer checkpoint: Ask for a process description and the specific technical standard used for the quoted product.
Established: Exact founding year not confirmed in the reviewed company information
Location: Guangchang, Fuzhou, Jiangxi
Market orientation: Domestic manufacturing and global customization services
Oulida describes an integrated manufacturing and trading business focused on cast acrylic sheets. Its website states a 60,000-square-meter production base and annual capacity of 20,000 tonnes. It also reports renewal of three management-system certifications in October 2025.
A significant qualification point is material composition. The company's site discusses recycled-content products, including a product claim involving 90% recycled materials. Buyers should therefore identify the exact virgin or recycled-content formulation being quoted, rather than treating every product as interchangeable.
Its stated customization and direct-trade model may suit buyers prioritizing cost control and coordinated export service. The formulation still needs to match the intended application.
Buyer checkpoint: Request the business license to establish the founding date and contracting entity, then obtain a signed feedstock declaration for the selected clear grade.
Established: Goldensign Group founded in 2004; acrylic division establishment date requires separate confirmation
Manufacturing identity: Apexplast, Shanghai
Published markets: North America, South America, Europe, the Middle East, Southeast Asia, and other regions
Goldensign operates through specialized divisions. Its group website identifies Apexplast as the acrylic sheet manufacturer, while other divisions handle PVC boards, laser tubes, machinery, and related products.
This structure may be useful for advertising-material distributors purchasing several categories. OEM discussions can include acrylic sheet specifications and coordinated sourcing, provided the actual manufacturing and contracting responsibilities are clear.
The group's public documentation makes an important distinction: certifications associated with PVC manufacturing or laser equipment are not automatically evidence for acrylic sheet. Buyers should preserve that distinction during qualification.
Buyer checkpoint: Request Apexplast-specific manufacturing records and grade-specific reports. Do not accept group-level certification logos as a substitute.
Established: Company profile describes operations and quality-system development since 2006; exact incorporation date requires verification
Location: Lanxi, Zhejiang
Published markets: China and international markets; detailed regional sales mix not disclosed
Xinhai's supplier profile identifies cast acrylic sheet as its manufacturing focus. It describes four automated production lines and maximum annual capacity of 15,000 tonnes. The same profile discusses future expansion, so buyers should separate operating assets from planned facilities.
The profile also distinguishes products made from imported virgin monomer and locally sourced virgin monomer. This is a useful reminder that "virgin material" alone does not fully define a commercial grade or guarantee identical processing behavior.
OEM discussions can focus on thicknesses, colors, dimensions, and feedstock options.
Buyer checkpoint: Approve the exact formulation and factory before production. Require written authorization for any later substitution.
An effective request for quotation should identify:
- Manufacturing route: cell-cast or another explicitly accepted process.
- Feedstock: virgin, declared recycled content, or another agreed formulation.
- Nominal dimensions and usable trimmed dimensions.
- Thickness tolerance and measurement locations.
- Optical requirements, including the agreed test method.
- Permitted scratches, inclusions, bubbles, and edge defects.
- Protective masking and removal requirements.
- Intended fabrication process and service environment.
- Required documents, packing method, and shipment terms.
ISO 7823-1 can provide a starting point for applicable general-purpose cast sheets, but it does not replace a complete application specification.
A supplier can have a valid management-system certificate without proving that a particular shipment meets your product requirements. Certificate verification should therefore be combined with product inspection and batch documentation.
For ISO certification, check the legal entity, factory address, standard, scope, current status, certification body, and accreditation information. IAF CertSearch provides fields covering these details, including whether a certificate is active, suspended, withdrawn, or expired.
Compliance requirements also depend on the end use:
- CE marking is required only where applicable legislation mandates it. It is not a universal quality mark for raw acrylic sheet.
- RoHS concerns restricted substances in electrical and electronic equipment. Relevant material reports may support component selection, but they do not independently establish the compliance of a complete finished product.
A practical purchasing procedure is:
1. Initial sample review: confirm appearance, dimensions, masking, and basic material identification.
2. Fabrication trial: use the intended cutting, drilling, printing, bonding, or forming process.
3. Production-batch approval: inspect randomly selected sheets from the actual order.
Retain an approved sample and its specification. If later material behaves differently, this provides a defined comparison rather than an argument based on photographs.
For fabricated acrylic, include compatibility checks with the actual chemicals and finishing process. Acrylic technical guidance warns that incompatible substances can cause crazing, cracking, or discoloration.
Build the comparison around delivered, usable material:
| Cost Factor | Question to Ask |
|---|---|
| Dimensions | Is pricing based on nominal size or usable trimmed area? |
| Thickness | Are suppliers quoting the same tolerance? |
| Rejects | Who pays for material and downstream processing lost to defects? |
| Masking | Does the film suit storage and fabrication conditions? |
| Packing | Are pallets designed for the sheet size and handling route? |
| Documentation | Are required reports included or separately charged? |
| Delivery | Is the quoted lead time production time or time to shipment? |
This approach prevents a low initial quotation from obscuring a higher conversion or rejection cost.
For overseas orders, agree on pallet dimensions, protective boards, corner protection, permitted stacking, handling instructions, and photographic evidence before loading.
Gokai's published packing options include corner guards, export wooden pallets, and cartons, but buyers should still obtain an order-specific packing drawing or specification. A packing category alone does not establish how a particular shipment will be protected.
The purchase agreement should also state inspection deadlines, evidence required for claims, and whether remedies cover replacement material, freight, or other agreed costs.
The overlooked issue is not merely whether a sample looks clear. It is whether the supplier has committed to reproducing that sample's formulation and production conditions.
The reviewed supplier information shows why this matters. Some companies offer both cast and extruded sheets, some discuss recycled-content products, and others offer different virgin-monomer sources. A broad product description can therefore conceal commercially significant differences without either party explicitly discussing them.
Use the following contract controls:
- Identify the manufacturing site and process.
- Record the approved material grade and feedstock declaration.
- Assign a retained-sample reference.
- Prohibit substitutions without written approval.
- Require batch identification on inspection records and packing lists.
- Define who approves changes to masking, formulation, or subcontracted production.
A second control is to test samples after realistic fabrication, not only on arrival. A visually acceptable sheet may still prove unsuitable for the buyer's chemical exposure or finishing process. Compatibility testing helps detect this before a full production run.
There is no universally suitable clear cast acrylic sheet manufacturer. Jumei, Donchamp, Ray Chung, Xishun, and other specialists offer different combinations of manufacturing scale, product breadth, and technical scope. Their published capacities and histories provide useful starting points, but purchase decisions still require plant-specific verification.
Gokai is a relevant first contact for buyers seeking acrylic alongside related sheet materials and a customized OEM supply discussion. Its published background supports a development-and-manufacturing proposition, while the quotation and sampling stages provide the opportunity to evaluate communication, flexibility, and execution.
To begin a clear cast acrylic sheet project with Shanghai Gokai Industry Co., Ltd., prepare your dimensions, thickness tolerances, application, annual demand, destination market, and packaging requirements. Request a written specification, representative samples, and an order-specific OEM proposal before approving production.
Search the company name or exact certificate number in IAF CertSearch. Review the current status, legal entity, address, standard, scope, issuing certification body, and accreditation details. A certificate that has not reached its printed expiry date may still be suspended or withdrawn. If you cannot find it, contact the issuer and investigate the discrepancy rather than immediately assuming validity or fraud.
No. CE marking applies only to products covered by legislation that requires it. A generic certificate does not prove that a particular raw sheet is suitable for every European application. Identify the intended use, applicable legal requirements, conformity-assessment procedure, and supporting technical documentation first.
Not automatically. Suppliers may offer distinct formulations, and Oulida's public product information illustrates that recycled-content options exist within the cast acrylic category. Treat any change as a new material qualification: approve the declared formulation, test the actual application, and document acceptance before production. Do not infer equivalence from appearance alone.
They may not describe the same product or supply scope. Differences can include casting method, feedstock source, thickness tolerance, usable dimensions, masking, testing, and packaging. Public supplier profiles show variation in process portfolios and material-source options. Issue one controlled specification and require each supplier to list deviations explicitly.
First establish what the number covers: one factory or a group, cast sheet or several processes, operating equipment or planned expansion. Then request a current production schedule, plant-specific output statement, and realistic order allocation. This distinction matters because the reviewed profiles include group-wide figures, historical capacity statements, and expansion plans—not one uniform measure of available clear cast capacity.
Official trade, standards, regulatory, and verification resources used in this guide include World Bank WITS, ISO, the European Commission, and IAF CertSearch. Their findings should be applied within their stated scope rather than treated as universal product approvals. [wits.worldbank]
1. World Bank WITS — 2024 PMMA Sheet Exports to the United Arab Emirates, HS 392051. [wits.worldbank]
2. ISO — ISO 7823-1:2003, Cast PMMA Sheet Requirements. [iso]
3. European Commission — CE Marking Requirements. [europa]
4. European Commission — RoHS Directive. [environment.ec.europa]
5. IAF CertSearch — Certificate Verification and Status Checks. [iafcertsearch]
6. Cognitive Market Research — Acrylic Sheets Market Analysis, 2025 Base Year and 2026–2034 Forecast Framework. [cognitivemarketresearch]
7. Shanghai Gokai Industry Co., Ltd. — Company Profile. [gokai.com]
8. Jumei — Company Profile and Corporate Listing. [jumeiacrylic]
9. Donchamp — Company and Manufacturing Profiles. [donchamp]
10. Ray Chung — Company Profile. [raychung-acrylic]
11. Xishun Acrylic — Group Profile. [xsacrylic]
12. Shen Chuen Acrylic — Company Profile. [shenchuen]
13. Zhejiang Shengdalong / SEDALO — Supplier Manufacturing Profile. [shengdalong.en.made-in-china]
14. Jiangxi Oulida Industrial — Company and Product Information. [olida]
15. Goldensign / Apexplast — Manufacturing Division Information. [goldensign]
16. Zhejiang Xinhai — Supplier Manufacturing Profile. [humuyun.en.made-in-china]
