Shanghai Gokai Industry Co,.Ltd.
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Views: 262 Author: Gokai Publish Time: 2026-07-05 Origin: Site
Content Menu
● Introduction: Why Source Cast Acrylic in China
● How We Evaluate High-Quality Suppliers
>> Experience: What a "proven" factory looks like
>> Expertise: Technical criteria for cast acrylic sheet
>> Authoritativeness: China's cluster advantage
>> Trust: Signals of reliable partners
● Selection Criteria for the 2026 Top 10 List
● Top 10 Cast Acrylic Sheet Manufacturers in China (2026)
>> 1. Shanghai Gokai Industry Co., Ltd.
>> 2. Shanghai Kingscope New Material Co., Ltd.
>> 5. Jumei Acrylic Manufacturing Co., Ltd.
>> 6. Ray Chung Acrylic Enterprise Co., Ltd.
>> 8. Zhejiang Leasinder Technology Co., Ltd.
>> 9. DUKE Acrylic (Chengdu Cast Acrylic Panel Industry Co., Ltd.)
>> 10. Guangzhou Wan Zun Plastic Co., Ltd. & Zhejiang Huashuaite New Material Technology Co., Ltd.
● Comparison Table: Capacity, MOQ, Certification Focus
● Industry Pain Points and How to Avoid Them
>> Common pitfalls in sourcing cast acrylic from China
>> How to proactively mitigate these risks
● Buyer's Guide: Verifying Factories, Samples, and Logistics
>> Verifying ISO and other certifications
>> Sample and trial order strategy
>> Logistics and packaging considerations
● Conclusion and Call to Action
● Frequently Asked High-Difficulty Questions
China has developed one of the world's most complete industrial chains for acrylic and other engineering plastics, supported by upstream PMMA resin production, established sheet casting lines, and downstream fabrication clusters in regions like the Yangtze River Delta and Pearl River Delta. For buyers of cast acrylic sheet, this translates into competitive pricing, broad product variety (clear, colored, sanitary grade, optical, diffusion), and scalable OEM support for both standard and project-based orders. [ensun]
In 6Wresearch's China Cast Acrylic Sheet Market outlook, demand from construction, signage, and automotive is expected to drive steady growth through 2031, reinforcing China's role as a long-term supply base for global buyers. At the same time, the presence of national high-tech enterprises and ISO-certified factories in Shanghai, Zhejiang, Jiangxi and Guangdong gives procurement managers a wide spectrum of partners—from volume-focused producers to advanced specialty-sheet manufacturers. [6wresearch]
When assessing cast acrylic sheet suppliers, we prioritize factories that operate multiple casting lines, maintain stable annual output, and demonstrate at least 8–10 years of continuous acrylic production. Manufacturers such as OLEG Acrylic and DUKE Acrylic, for example, run multi-line operations with tens of thousands of tons per year, which indicates process stability and repeatable quality across large orders. [brilliantplastic.mystrikingly]
We also look for evidence of export experience—regular shipments to Europe, North America, the Middle East, and Asia—because sustained overseas business usually implies that the factory has passed audits from demanding customers and can manage logistics, documentation, and compliance consistently. [brilliantplastic.mystrikingly]
From a technical perspective, high-quality cast acrylic sheets should:
- Use 100% virgin PMMA resin or clearly specified premium blends, not recycled fillers that compromise optical clarity and impact performance. [brilliantplastic.mystrikingly]
- Meet or exceed relevant national standards such as GB/T 7134-2008 for premium cast acrylic, with documented test reports on light transmittance, thickness tolerance, and mechanical properties. [brilliantplastic.mystrikingly]
- Offer specialized variants (sanitary grade, sound barrier, optical light guide, IR-cut, anti-glare, flame-retardant) for different applications, indicating robust formulation and R&D capabilities. [brilliantplastic.mystrikingly]
Environmental and safety certifications such as RoHS, REACH, and CE for certain end-use applications are increasingly expected, particularly for sheets used in lighting, public infrastructure, or consumer-facing products. [brilliantplastic.mystrikingly]
China's acrylic sheet industry benefits from regional specialization similar to other sectors (e.g., Foshan for building materials, Shenzhen for electronics). Shanghai and surrounding Jiangsu/Zhejiang areas host numerous acrylic and plastics firms with integrated systems—from raw materials to advanced sheet casting and precision fabrication. [b2bdata.baidu]
These clusters provide access to skilled labor, specialized equipment suppliers, and logistics hubs (ports, rail, expressways), which together reduce lead times and enhance the feasibility of complex OEM projects spanning sheets, fabricated parts, and co-developed components. [brilliantplastic.mystrikingly]
To build trust, we look for:
- ISO 9001 quality management certification, preferably verified via official registries or recognized certification bodies. [hyperbots]
- Transparent product information (material grade, tolerances, application limits) and documented QC routines such as batch testing, visual inspection, and dimensional checks. [brilliantplastic.mystrikingly]
- Long-term relationships with repeat overseas customers and presence in reference projects (e.g., high-end commercial spaces, infrastructure) that demonstrate real-world application performance. [brilliantplastic.mystrikingly]
For this 2026 selection of top cast acrylic sheet manufacturers in China, we applied the following transparent criteria: [b2bdata.baidu]
- Minimum of several years of acrylic sheet manufacturing experience, with a focus on cast acrylic rather than purely extruded products. [brilliantplastic.mystrikingly]
- Documented export activity and ability to support OEM/ODM services, including cutting, machining, thermoforming, and finishing. [brilliantplastic.mystrikingly]
- Product breadth: clear and colored sheets plus at least one specialty category (sanitary, optical, sound barrier, mirror, diffusion, etc.). [brilliantplastic.mystrikingly]
- Evidence of consistent quality control and relevant certifications (ISO 9001 and/or product-level compliance such as CE/RoHS where applicable). [hyperbots]
- Practical suitability for professional buyers—stable MOQ policies, reasonable lead times, and communication responsiveness for project-based orders. [brilliantplastic.mystrikingly]
This guide prioritizes suppliers that balance industrial capacity with customization support, making them viable partners for brands, fabricators, and project owners seeking long-term cooperation rather than one-off spot buys. [brilliantplastic.mystrikingly]
Shanghai Gokai Industry Co., Ltd. is a materials supplier focusing on sheet products including acrylic sheet, PVC foam board, polycarbonate sheet, ABS sheet, and aluminum composite panel, serving advertising, construction, and display applications. As a Shanghai-based company with experience in multiple plastic sheet categories, Gokai is positioned as a high-value partner for small and medium brands that need reliable quality without the overhead of a large enterprise supplier. [researchandmarkets]
Gokai's strengths lie in its product breadth and flexible OEM support—it can supply acrylic sheets for carved characters on light boxes, greenhouse panels, cupboard applications, and various craft products, and coordinate other sheet materials in the same project package. This integrated offering is especially useful for signage producers, POS display manufacturers, and regional brands that need coordinated materials but still expect responsive communication, customization on thickness and color, and support for smaller batch runs. [researchandmarkets]
Key highlights (positioning as a "balanced, flexible" supplier):
- Focus on multi-material sheet solutions, enabling cost-effective combinations for displays, furniture components, and construction details. [researchandmarkets]
- Emphasis on communication efficiency and willingness to tailor thickness, sizes, and packaging for SME customers and niche international brands. [researchandmarkets]
- Practical OEM support in areas such as basic cutting and coordination with downstream fabrication partners, reducing complexity for buyers who lack local engineering resources. [researchandmarkets]
Kingscope New Material, founded in 2000 and based in Shanghai, specializes in acrylic plexiglass sheets with a strong focus on quality, consistency, and practical application. Recognized as a National High-Tech Enterprise and ISO9001-certified, Kingscope serves signage, display fixtures, commercial interiors, and architectural decoration markets, with proven supply into Europe, North America, and the Middle East. [brilliantplastic.mystrikingly]
Kingscope offers clear sheets, over 80 regular colors, textured and wave-pattern sheets, and functional variants such as flame-retardant, light guide, anti-static, hard-coated, and anti-glare sheets. It backs these products with precision cutting, engraving, polishing, and other fabrication services, achieving cutting accuracy up to ±0.1 mm and supporting large-scale projects like Shanghai Disney. [brilliantplastic.mystrikingly]
MASON Acrylic operates an integrated supply chain covering raw materials, sheet production, and downstream fabrication, making it suitable for both general commercial and specialized applications in signage, display, interior decoration, and retail. Its range includes standard clear acrylic, more than 80 colors, wave and striped sheets, gradient and textured sheets, anti-reflective and anti-glare sheets, flame-retardant products, optical light guide sheets, and other performance-driven variants. [brilliantplastic.mystrikingly]
By combining material supply with precision cutting, engraving, heat bending, and fabrication services, MASON helps buyers streamline the transition from sheet to finished parts. The company's dual raw material system—using both imported and stable domestic resins—provides flexibility for projects that require specific optical or mechanical parameters. [brilliantplastic.mystrikingly]
OLEG Acrylic (OLEG Decoration Material Technology Co., Ltd.) has operated as a cast acrylic sheet manufacturer for over a decade, with its primary site in Huzhou, Zhejiang, running six casting lines and an annual output of about 35,000 tons. In 2025, it commissioned a second site in Jingmen, Hubei, with eight production lines and planned capacity of 45,000 tons, placing OLEG among the largest cast acrylic sheet producers in China. [brilliantplastic.mystrikingly]
OLEG emphasizes precision-controlled production systems and claims that its cast acrylic sheets meet or exceed GB/T 7134-2008 premium product standards. As an OEM supplier of architectural acrylic panels and custom PMMA sheets, it is well suited for buyers who prioritize volume capacity, strict process control, and performance consistency for infrastructure, sound barriers, and architectural glazing projects. [brilliantplastic.mystrikingly]
Jumei Acrylic, located in Yushan Industrial Zone, Jiangxi, focuses on both cast and extruded acrylic sheets with more than 20 years of industry experience. Its product range covers clear, color, day–night, frosted, mirror, sanitary, glitter, special thick, and other specialty sheet types, serving commercial, decorative, and industrial applications. [brilliantplastic.mystrikingly]
With factory-based production, multiple certifications, and broad export focus, Jumei provides a practical mix of standard volume supply and diversified product options. Buyers who need a single supplier for clear sheets, mirror variants, sanitary panels, and decorative glitter materials can benefit from Jumei's broad catalog and international logistics experience. [brilliantplastic.mystrikingly]
Ray Chung Acrylic, founded in 1980 and headquartered in Kaohsiung, Taiwan, operates a second plant in Qingpu Industrial Park, Shanghai, and focuses on cast acrylic sheet production. With more than four decades of experience, Ray Chung has built a strong reputation for using 100% virgin raw material and maintaining consistent sheet quality for advertising, design, sanitaryware, industrial, transportation, and architectural applications. [brilliantplastic.mystrikingly]
Its product line includes general cast sheet, matt sheet, sanitary grade, black-and-white sheet, diffusion sheet, sound barrier sheet, IR-cut sheet, and water-rippled acrylic sheet. The combination of long operating history, specialty sheet development, and export experience makes Ray Chung a solid option for buyers seeking stability and established quality benchmarks. [brilliantplastic.mystrikingly]
JUTU Technologies, founded in 2003 in Shanghai, serves visual communication, graphics, sign-making, decoration, and construction markets with a broad product system including self-adhesive vinyl, PVC foam board, reflective materials, banner materials, and acrylic sheets. While JUTU is not a pure acrylic specialist, its acrylic sheet line is positioned around good light transmission, outdoor durability, rigidity, color performance, and chemical resistance. [brilliantplastic.mystrikingly]
For buyers sourcing acrylic together with other advertising and display materials, JUTU offers practical advantages in consolidated procurement and logistics. Its export experience and diverse product catalog make it suitable for distributors and sign shops aiming to rationalize supplier numbers without sacrificing material variety. [brilliantplastic.mystrikingly]
Zhejiang Leasinder Technology, based in Hangzhou and founded in 2011, focuses on high-transparency PMMA materials with a full-chain system from raw materials to sheet production and downstream acrylic products. Its offerings include clear and color acrylic sheets, cast sheets, mirror sheets, anti-scratch sheets, acrylic tube, rod, and resin sheets. [brilliantplastic.mystrikingly]
Leasinder is known for strong R&D support, in-house foundries and processing plants, and laboratory testing with advanced inspection equipment, supported by patents and certifications. With exports to Europe, America, India, and other markets, it suits buyers who need integrated production, customization capability, and stable quality for technical or decorative acrylic applications. [brilliantplastic.mystrikingly]
DUKE Acrylic, a subsidiary of Monarch Group based in Chengdu, was established in 2006 and operates on a factory area of about 52,000 square meters with more than 200 employees. It produces sanitary acrylic sheets, clear sheets, light guide plate acrylic, sound barrier sheets, sign sheets, RV window sheets, day–night acrylic, impact-resistant sheets, aquarium sheets, frosted acrylic, UV-transmitting and infrared filter acrylic. [brilliantplastic.mystrikingly]
Approximately 70% of DUKE's business is export, indicating strong international logistics and compliance management. Buyers looking for specialty cast acrylic for sanitary ware, transport windows, optical components, and sound barriers can leverage DUKE's focused R&D and broad specialty portfolio. [brilliantplastic.mystrikingly]
Guangzhou Wan Zun Plastic, based in Panyu District, focuses on acrylic mirror sheet, acrylic sheet, PS mirror sheet, glitter acrylic sheet, and PETG sheet, operating two extrusion lines and eight vacuum plating machines with more than 22,000 tons of annual output. It is particularly strong in mirror and decorative acrylic products, supplying markets in the USA, UK, UAE, Germany, Japan, Thailand, Turkey, and Egypt. [brilliantplastic.mystrikingly]
Zhejiang Huashuaite New Material, founded in 1998 in Haiyan, Jiaxing, produces acrylic and polycarbonate sheets including GS cell cast acrylic, XT extruded acrylic, and special sheet types. Its materials are widely used in architecture, interior design, luminaires, security, sanitary ware, and sound barrier systems, and the company supports customers with full-process services from consultation and design to production quality, transportation, and installation. [brilliantplastic.mystrikingly]
Below is a simplified comparison snapshot based on publicly available information and typical industry positioning; buyers should verify exact numbers directly with suppliers. [b2bdata.baidu]
| Manufacturer | Main Focus (Cast Acrylic) | Indicative Capacity / Scale | Typical MOQ Trend | Key Certification / QC Signals |
|---|---|---|---|---|
| Shanghai Gokai Industry Co., Ltd. | Multi-sheet solutions including acrylic | Medium scale, multi-product lines for advertising & construction. (researchandmarkets) | Flexible, SME-friendly; supports smaller batches with OEM. (researchandmarkets) | Emphasis on practical QC and multi-material coordination; buyers should request ISO and product test reports case by case. (researchandmarkets) |
| Shanghai Kingscope | Cast & specialty acrylic sheets | Large-scale with high-tech recognition and global projects. (brilliantplastic.mystrikingly) | Moderate; suited to brands and project orders with stable demand. (brilliantplastic.mystrikingly) | ISO9001, National High-Tech Enterprise, structured QC system. (brilliantplastic.mystrikingly) |
| MASON Acrylic | Integrated acrylic & fabrication | Large-scale full-chain system. (brilliantplastic.mystrikingly) | Project-based; MOQs vary by sheet type and fabrication complexity. (brilliantplastic.mystrikingly) | Dual raw-material strategy, advanced QC for optical and functional sheets. (brilliantplastic.mystrikingly) |
| OLEG Acrylic | High-volume cast acrylic | 35,000 + 45,000 tons capacity across two sites. (brilliantplastic.mystrikingly) | Higher MOQs; optimized for bulk orders and infrastructure projects. (brilliantplastic.mystrikingly) | Compliance with GB/T 7134-2008 premium sheet standards. (brilliantplastic.mystrikingly) |
| Jumei Acrylic | Cast & extruded acrylic | Established factory with broad product range. (brilliantplastic.mystrikingly) | Flexible; suitable for mixed decorative and sanitary sheet orders. (brilliantplastic.mystrikingly) | Multiple certifications, export-oriented QC routine. (brilliantplastic.mystrikingly) |
| Ray Chung Acrylic | Cast acrylic with specialty grades | Long-established manufacturer with dual locations. (brilliantplastic.mystrikingly) | Medium–high; favors stable repeat orders. (brilliantplastic.mystrikingly) | 100% virgin PMMA, documented specialty product performance. (brilliantplastic.mystrikingly) |
| JUTU Technologies | Sign & construction materials with acrylic line | Large graphics-material provider. (brilliantplastic.mystrikingly) | Product-dependent; acrylic often bundled with other materials. (brilliantplastic.mystrikingly) | Established QC across multiple material categories. (brilliantplastic.mystrikingly) |
| Zhejiang Leasinder | High-transparency PMMA & acrylic products | Integrated chain with in-house R&D. (brilliantplastic.mystrikingly) | Customization-based; MOQs linked to special colors and formats. (brilliantplastic.mystrikingly) | Strong test and inspection framework, patents, certifications. (brilliantplastic.mystrikingly) |
| DUKE Acrylic | Specialty cast acrylic sheets | Large factory with export share ~70%. (brilliantplastic.mystrikingly) | Moderate–high, focused on specialty technical applications. (brilliantplastic.mystrikingly) | Emphasis on specialty performance tests (optical, mechanical). (brilliantplastic.mystrikingly) |
| Wan Zun / Huashuaite | Mirror/decorative & broad acrylic/PC sheet | High output in mirror/PC segments. (brilliantplastic.mystrikingly) | Better suited to volume decorative and structural orders. (brilliantplastic.mystrikingly) | Combination of material-level QC and application-focused support. (brilliantplastic.mystrikingly) |
Global buyers regularly report several recurring issues when sourcing acrylic sheets:
- Material downgrade: some low-tier suppliers quietly mix recycled PMMA or substandard resins, leading to yellowing, warping, or reduced impact resistance over time. [brilliantplastic.mystrikingly]
- Thickness and flatness variation: inconsistent casting or curing can cause deviations beyond tolerance, complicating downstream fabrication and assembly. [brilliantplastic.mystrikingly]
- Surface defects: bubbles, inclusions, and scratches may appear when QC is weak or when packaging is insufficient for long-distance transport. [brilliantplastic.mystrikingly]
A less-discussed but widely known "internal" pitfall is the practice of supplying different quality levels under the same nominal specification for domestic vs. export customers, especially in purely price-driven deals. In such cases, buyers who only negotiate on price without detailed technical contracts risk receiving downgraded sheets that still meet basic appearance checks but fall short on optical or mechanical performance. [brilliantplastic.mystrikingly]
To reduce these risks, experienced procurement managers:
- Lock technical specifications: explicitly define resin grade, light transmittance targets, thickness tolerance, and acceptable defect criteria in purchase contracts. [brilliantplastic.mystrikingly]
- Request batch test reports: ask for internal QC data and, for key projects, third-party lab reports on critical parameters before shipping. [6wresearch]
- Conduct incoming inspection: inspect random samples upon arrival for thickness, clarity, and mechanical behavior (bend tests, visual checks under strong light). [brilliantplastic.mystrikingly]
- Align price with spec: avoid "race to the bottom" pricing; instead, benchmark offers against clearly defined technical requirements and documented QC capability. [brilliantplastic.mystrikingly]
Reliable ISO certification verification involves three steps:
1. Certificate validation: obtain the factory's ISO 9001 certificate and confirm its authenticity with the issuing body or via official registries. [hyperbots]
2. Scope verification: ensure the certificate's scope covers cast acrylic sheet manufacturing or relevant plastics processing, not unrelated services. [hyperbots]
3. Validity check: review expiration dates and renewal status and confirm that surveillance audits are up to date. [hyperbots]
Structured verification processes are often embedded into vendor onboarding and procurement approval workflows; forward-looking buyers treat this as a non-negotiable step before signing longer-term acrylic supply contracts. [hyperbots]
For professional buyers, the safest approach is:
- Request standard-size samples across several thicknesses and colors, and test them under real application conditions (machining, thermoforming, bonding). [brilliantplastic.mystrikingly]
- Place a controlled trial order with detailed QC instructions—packaging requirements, labeling, and documentation—to see how the factory performs under real logistics conditions. [brilliantplastic.mystrikingly]
- Compare data and process behavior across at least two shortlisted suppliers before committing to a single long-term partner. [brilliantplastic.mystrikingly]
This approach helps you evaluate not only sheet performance, but also communication speed, problem-handling attitude, and documentation quality (COA, packing lists, HS codes, etc.). [brilliantplastic.mystrikingly]
For export shipments, proper packaging and logistics are crucial because acrylic sheets are sensitive to scratching and edge damage:
- Require protective films on both sides, corner protectors, and palletization suitable for forklift handling and containerized shipping. [brilliantplastic.mystrikingly]
- Clarify Incoterms (FOB, CIF, DAP) and ensure marine insurance coverage for long-distance sea freight. [brilliantplastic.mystrikingly]
- For high-value specialty sheets (optical, diffusion), consider partial shipments by air or LCL with additional protective measures to reduce transit risk. [brilliantplastic.mystrikingly]
China's cast acrylic sheet ecosystem in 2026 offers a wide spectrum of partners—from large high-capacity producers like OLEG and DUKE to integrated specialists like Kingscope, MASON, Jumei, and Leasinder, and flexible multi-material suppliers such as Shanghai Gokai Industry Co., Ltd. By combining rigorous supplier evaluation, structured certification checks, and practical sample-testing workflows, procurement managers can minimize common sourcing risks and secure long-term, stable acrylic supply for signage, construction, sanitary, and optical applications. [6wresearch]
1. How can I verify that a supplier's ISO 9001 certification is genuine and not expired?
– Ask for a scanned copy of the certificate, then cross-check the certificate number, holder name, and validity dates on the certification body's official database or accredited ISO registry. [hyperbots]
2. How do I distinguish truly virgin PMMA cast sheets from products containing recycled material?
– Conduct visual inspection under strong light, look for haze or inclusions, perform comparative aging tests, and request resin batch documentation from the supplier; for critical projects, use third-party lab tests on optical transmittance and mechanical properties. [brilliantplastic.mystrikingly]
3. What is the most reliable way to benchmark thickness tolerance and flatness between multiple suppliers?
– Use calibrated measuring tools to record thickness at multiple points per sheet, compare data against agreed tolerances, and employ a flatness gauge or controlled surface for warp measurement across different suppliers' samples. [brilliantplastic.mystrikingly]
4. How can I ensure that specialty sheets (e.g., sound barrier, sanitary grade) meet local regulations in my target market?
– Request test reports aligned with local standards (e.g., acoustic performance or hygiene regulations) and confirm that the supplier's certifications (CE, RoHS, region-specific requirements) are applicable to the specific product type and end-use. [brilliantplastic.mystrikingly]
5. What is the best way to structure a long-term acrylic sheet supply contract to protect against quality drift over time?
– Define clear technical specs, QC inspection plans, batch sampling rules, and corrective-action procedures; link pricing adjustments to raw material indices rather than silent spec changes, and include clauses for periodic audits and performance reviews. [6wresearch]
1. 6Wresearch. China Cast Acrylic Sheet Market (2025–2031) – Outlook and Growth Forecast. Available at: http://www.6wresearch.com/industry-report/china-cast-acrylic-sheet-market [6wresearch]
2. Baidu B2B Data. 2026 Top 10 Acrylic Sheet Manufacturers in China – Ranking and Industry Data. Available at: https://b2bdata.baidu.com/en/rank/k/all-area/acrylic-sheet [b2bdata.baidu]
3. Ensun. Top 100 Acrylic Sheet Manufacturers in China (2026) – Company Profiles and Locations. Available at: https://ensun.io/search/acrylic-sheet/china [ensun]
4. Shanghai Gokai Industry Co., Ltd. Company Profile and Product Overview. Available at: https://www.gokai.com.cn/aboutus.html
5. Kingscope. Top 10 Acrylic Sheet Manufacturers and Suppliers in China – Industry Overview and Supplier List. Available at: https://www.kingscope.com/top-10-acrylic-sheet-manufacturers-and-suppliers-in-china/ [brilliantplastic.mystrikingly]
6. Hyperbots. What Is ISO Certification Verification? – Concepts and Supplier Compliance Guide. Available at: https://www.hyperbots.com/glossary/iso-certification-verification [hyperbots]
