SINHAI: Leading Polycarbonate Sheet Manufacturer in China

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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 twinwall polycarbonate sheets feature a two-layer hollow structure, balancing light transmittance (75–80%) and thermal insulation (U-values 2.0–2.5 W/(m²·K)). Ideal for greenhouse roofing and skylights, these 4–16mm sheets reduce heat transfer while providing structural rigidity. The twinwall design enhances soundproofing and impact resistance, with UV-blocking coatings ensuring a 10-year warranty. Compatible with aluminum framing systems, they are easy to install and maintain. Sinhai’s Kashgar facility offers fast delivery to Middle Asia. Contact us for twinwall sheet specifications and project 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

Li Wei
Sustainable Polycarbonate Sheets with Excellent Light Control

"An office building in Singapore used Sinhai’s opal polycarbonate sheets for ceiling panels. The diffused light reduces glare on screens, and the recycled material meets green building standards. The easy-to-install panels saved time during renovation, and the long warranty ensures lasting performance. A smart choice for modern workspaces."

Emma Watson
Lightweight Polycarbonate Sheets for DIY Projects

"I built a garden shed in my backyard using Sinhai’s 3mm polycarbonate sheets. They were easy to handle and cut with basic tools, and the clear finish lets in plenty of light. After 2 years, they still look new, even after exposure to rain and snow. Great for DIY enthusiasts like me."

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Comprehensive Polycarbonate Sheet Solutions

Comprehensive Polycarbonate Sheet Solutions

Sinhai offers diverse PC sheets: solid (1mm-10mm) for clarity, hollow (6mm-16mm) for insulation, embossed for texture, and corrugated for strength. All sheets feature 50% weight reduction vs. glass, 99% UV blocking, and thermal efficiency. Certified to ISO 9001:2015 and CE, they serve greenhouse roofing, skylights, and partitions. With 30+ years of expertise and Kashgar's fast delivery, they ensure reliable quality for agricultural, industrial, and commercial projects.

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