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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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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

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 greenhouse panels are engineered to optimize agricultural environments, featuring multiwall hollow structures (4–16mm) that deliver 80–85% light transmittance and thermal insulation (U-values as low as 2.0 W/(m²·K)). The honeycomb or twinwall design creates air chambers to reduce heat loss in winter and solar gain in summer, enhancing energy efficiency by up to 30%. Treated with anti-fogging coatings to prevent condensation and UV-blocking additives to shield crops from harmful rays, these panels comply with GB/T 44570-2024 standards. They withstand snow loads up to 1.0 kN/m² and wind speeds of 110 km/h, ensuring durability in harsh climates. Sinhai’s turnkey solutions include compatibility with irrigation systems and shading nets, supported by 30+ years of industry experience. Contact us for customized greenhouse panel specifications and bulk pricing.

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

Sarah Wilson
Durable and Lightweight Roof Sheets for Tropical Climates

"In my resort in Bali, Sinhai’s polycarbonate roof sheets have withstood heavy rains and strong winds for 3 years. The corrugated design ensures proper drainage, and the UV-stabilized surface remains clear without yellowing. The sheets are easy to install, and the customer service team helped with custom sizing. Highly recommended."

Samuel Ochieng
Budget-Friendly Roof Sheets with Excellent Insulation

"For a community center in Kenya, we opted for Sinhai’s 6mm polycarbonate roof sheets. The multiwall structure keeps the interior cool, reducing the need for air conditioning. The lightweight sheets were easy to transport and install, even in remote areas. Durable and cost-effective for large-scale projects."

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High-Performance Polycarbonate Roof Sheets

High-Performance Polycarbonate Roof Sheets

Sinhai's polycarbonate roof sheets are crafted from 100% virgin PC with SABIC resin and Lotte UV additives, offering exceptional UV resistance (blocking 99% of UV rays) and durability. They are 50% lighter than glass, impact-resistant (meeting GB/T 20284-2006 standards), and provide excellent thermal insulation, reducing energy costs by up to 30%. Available in corrugated (0.75mm-3mm), hollow (6mm-16mm), and solid (1mm-10mm) variants, these sheets come in colors like clear, blue, and bronze. With ISO 9001:2015, CE, and RoHS certifications, they feature a 10-year warranty and fast delivery from Kashgar, ideal for greenhouses, carports, commercial roofs, and other architectural projects. The company's 60+ free molds enable customized shapes, ensuring flexibility for diverse design needs.

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