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SINHAI: A Leading Polycarbonate Sheet Manufacturer in China

SINHAI: A Leading Polycarbonate Sheet Manufacturer in China

SINHAI stands out as one of the largest and leading Polycarbonate Sheet Manufacturers in China. It has implemented a strict quality control system and an excellent raw material choice mechanism. The company holds certifications like ISO 9001 - 2015, CE, ROHS, and SGS, and even has its self - patent Bamboo Polycarbonate Sheet. With 3 plants, SINHAI is dedicated to providing a one - stop solution for the safe daylighting industry and glazing systems. It continuously innovates and moves forward. The main product range includes Hollow Polycarbonate Sheet, Crystal hollow PC Sheet, Solid polycarbonate Sheet, Embossed PC Sheet, Corrugated PC Sheet, and PC H/U Type Accessories. An additional plant located in Kashgar, Xinjiang, an important hub along the Belt and Road, brings added value and good services to customers due to its unique location. SINHAI offers fast delivery, a durable service life for PC sheets, reasonable prices, energy - saving features, and cost - effectiveness. It has served
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Why choose us?

Strong Quality Assurance with Multiple Certifications

SINHAI ensures strict quality control using premium raw materials like SABIC material with Lotte UV resins. The company holds certifications such as ISO 9001-2015, CE, RoHS, and SGS, guaranteeing product compliance with international standards. Its self-patented Bamboo Polycarbonate Sheet showcases innovative design and durability, meeting diverse project requirements for safety and reliability.

Comprehensive Product Range and Customization Capability

Offering a wide array of products including Hollow, Crystal Hollow, Solid, Embossed, and Corrugated PC Sheets, along with PC H/U Type Accessories, SINHAI caters to various needs. With 60+ free moulds, the company supports OEM/ODM services, enabling customized solutions for different thicknesses, colors, and specifications, such as the hot-selling 8mm/10mm Bamboo PC sheets and diamond embossed corrugated sheets.

Strategic Location for Efficient Delivery and Cost Savings

Situated in Kashgar, a key Belt and Road hub, SINHAI's additional plant ensures fast delivery to Middle Asia and beyond, significantly reducing freight costs and time. This strategic location enhances supply chain efficiency, allowing the company to offer competitive pricing while maintaining quick turnaround for orders, ideal for large-scale projects worldwide.

Extensive Experience and Global Market Reach

With over 30 years of industry experience and 3 production plants, SINHAI has a proven track record in delivering one-stop daylighting and glazing solutions. Serving over 180 countries/regions, the company excels in agricultural, industrial, and commercial projects (e.g., greenhouses, roofing, sound barriers). Its technical expertise and global presence ensure reliable, innovative, and energy-saving solutions for diverse applications.

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Sinhai’s polycarbonate windows combine lightweight design with high impact resistance, making them suitable for residential, commercial, and emergency applications. Available in solid (1–20mm) or hollow (4–12mm) configurations, these windows offer 91% clarity in solid variants and thermal insulation in hollow types. The sheets are treated with SABIC resins and Lotte UV technology for 99% UV blocking, preventing fading of interior furnishings. Customizable features include anti-fogging coatings for humid climates and fire-retardant grades (GB 8624 B1-s1,d0 rating) for safety-critical projects. Sinhai’s modular window systems are easy to install, compatible with standard frames, and the Kashgar facility ensures competitive shipping rates for global markets. Contact us to explore window options for your project and request installation guides.

Frequently Asked Questions

Do you take special orders?

Yes , We accept customized products.
We have a factory ourselves, we are on this business for 30+ years in China
For normal polycarbonate sheet orders, we can deliver within 7 days. For orders that require cut-to-size services and thermoforming, delivery time will be extended
The fastest delivery speed.Free samples are provided for testing.We have a professional greenhouse construction team.ISO 9001:2008 CE certification quality.There are Ten polycarbonate sheet production lines.
Usually we accept T/T (30% deposit and balance against B/L copy), L/C. Other payment terms can be negotiable.

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customer evaluation

Mark Thompson
Soundproof Polycarbonate Windows for Urban Living

"Living in a busy city, I installed Sinhai’s soundproof polycarbonate windows to reduce noise pollution. The 6mm solid sheets with acoustic insulation lowered street noise by 20 dB, creating a peaceful indoor environment. The clear finish maintains natural light, and the easy-to-install design made the upgrade hassle-free. Highly recommend for urban dwellers."

Hiroshi Tanaka
Custom Polycarbonate Windows for Unique Architectural Styles

"An architectural firm in Japan used Sinhai’s bendable polycarbonate windows for a curved facade project. The material’s flexibility allowed for seamless integration into the modern design, while the high clarity preserved panoramic views. The UV-stabilized coating ensures no yellowing over time, and the weatherproof seal prevents leaks during typhoons. Innovative and reliable."

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High-Performance Polycarbonate Windows

High-Performance Polycarbonate Windows

Sinhai's polycarbonate windows combine clarity (85% light transmittance) and energy efficiency, made from solid or hollow PC sheets (1mm-10mm thickness). They offer UV resistance, thermal insulation, and impact strength 10x greater than glass. Customizable in size and color, with options for sound insulation, these windows suit residential and commercial buildings, backed by ISO 9001:2015 certification and fast delivery from Kashgar.

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