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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 skylight domes combine structural elegance with functional performance. Constructed from high-clarity PC sheets (typically 4–10mm thick), these domes feature a seamless, curved design that allows uniform light distribution while resisting wind loads up to 120 km/h and snow loads of 1.0 kN/m². The multiwall honeycomb structure enhances thermal insulation and soundproofing, making them suitable for atriums, greenhouses, and public spaces. UV protection and fire-retardant options (GB 8624 B1-s1,d0) ensure compliance with international standards. Customizable in diameter (up to 5 meters) and transparency, our skylight domes are supported by professional installation guidance. Contact us to discuss dome solutions for your project.

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

Lisa Chen
Energy-Efficient Polycarbonate Skylights for Modern Homes

"We installed Sinhai’s polycarbonate skylights in a Vancouver home to maximize natural light. The double-wall hollow design provides excellent thermal insulation, reducing heat loss by 30% compared to glass. The UV-blocking layer protects interior furnishings from fading, and the sleek design complements the roofline. A worthwhile investment for any home."

Dr. Hiroshi Sato
Emergency-Resistant Skylights for Safety Compliance

"A hospital in Tokyo selected Sinhai’s polycarbonate skylights for their fire-resistant properties. The sheets meet Japan’s strict safety standards, with a flame spread index well below regulatory limits. The easy-to-clean surface is crucial in medical environments, and the natural light improves patient well-being. Reliable and compliant with no compromise on design."

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Energy-Efficient Polycarbonate Skylights

Energy-Efficient Polycarbonate Skylights

Sinhai's polycarbonate skylights deliver optimal daylighting with high transmittance (up to 85%) and thermal efficiency. Made from multiwall hollow sheets (6mm-16mm), they reduce heat loss by up to 30% compared to glass, featuring a UV-protective coating and impact resistance. Available in clear or tinted designs, they are lightweight, easy to install, and suitable for residential, commercial, and industrial roofs. With a 10-year warranty and fast delivery from Kashgar, they meet ISO 9001:2015 and CE standards.

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