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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 heat-resistant polycarbonate sheets are engineered to withstand extreme temperatures (-40°C to 120°C), making them suitable for industrial and high-temperature applications. Constructed from virgin PC with enhanced thermal stability, these solid or multiwall sheets maintain structural integrity under prolonged heat exposure. The multiwall design (4–25mm) offers thermal insulation (U-values as low as 1.5 W/(m²·K)), reducing heat transfer in greenhouses and industrial roofs. Fire-retardant variants comply with GB 8624 B1-s1,d0 standards, emitting low smoke and no flaming droplets during combustion. Ideal for furnace enclosures, solar panels, and greenhouse roofing, contact us for heat-resistant sheet specifications and fire test reports.

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

Rajiv Kumar
High-Performance Panels for Solar Applications

"We integrated Sinhai’s polycarbonate panels into a solar farm in Arizona as protective covers for photovoltaic cells. The high light transmittance enhances solar efficiency, while the impact-resistant material protects against hail and debris. The UV-stabilized coating ensures long-term clarity, and the panels’ flexibility allows for easy retrofitting on existing systems."

Olivier Martin
Decorative Panels for Retail and Hospitality

"A boutique hotel in Paris used colored polycarbonate panels for its facade, creating a vibrant, modern look. The opal-colored panels diffuse light evenly, creating a welcoming atmosphere both day and night. The panels are easy to clean and resistant to graffiti, crucial for a high-traffic urban location. Sinhai’s design team helped us achieve a unique visual identity."

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Versatile Polycarbonate Panels for Diverse Applications

Versatile Polycarbonate Panels for Diverse Applications

Sinhai's polycarbonate panels cover a range of types: hollow, solid, embossed, and corrugated, all made from 100% virgin PC. Hollow panels (6mm-16mm) offer insulation for greenhouses; solid panels (1mm-10mm) provide clarity for partitions; embossed panels add texture for design. All feature UV resistance, lightweight construction (50% lighter than glass), and customizable sizes. With certifications including ISO 9001:2015, CE, and RoHS, they serve 180+ countries, supported by 30+ years of manufacturing expertise.

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