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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 diffusers are designed to optimize light distribution in various applications, featuring embossed or opal finishes that scatter light uniformly while reducing glare. These sheets (1.2–6mm thickness) offer 50–80% light transmittance, ideal for lighting fixtures, atriums, and commercial ceilings. Made from 100% virgin PC with UV stabilization, they resist yellowing and maintain diffusing efficiency over time. The embossed patterns enhance light diffusion properties, while optional anti-scratch coatings (≥2H hardness) improve durability. Customizable in size and shape, these diffusers support OEM projects and can be integrated with structural frameworks. Contact us for diffuser specifications and application guidance.

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

Sophie Lefebvre
Custom Diffusers for Unique Lighting Designs

"We created curved diffusers for a Paris museum with Sinhai’s precision-cut sheets featuring a frosted texture, which enhanced the exhibit’s ambiance. The material’s light weight made installation in tight spaces much easier."

Rajiv Kumar
Energy-Saving Diffusers with Heat Resistance

"In our Phoenix data center, the diffusers help distribute cool air while diffusing light. The heat-resistant polycarbonate doesn’t warp under high temperatures, and the matte finish reduces light loss, making them highly efficient and reliable."

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Efficient Polycarbonate Light Diffusers

Efficient Polycarbonate Light Diffusers

Sinhai's polycarbonate diffusers ensure uniform light distribution with high transmittance and softening properties. Made from embossed or opal PC sheets (1.2mm-10mm thickness), they reduce glare while maintaining 70-85% light transmission, ideal for indoor lighting, skylights, and advertising light boxes. The UV-protective coating prevents yellowing over time, and the sheets are impact-resistant and easy to clean. Available in custom sizes and colors, they comply with RoHS and CE standards, offering a durable, energy-efficient solution with a 10-year performance guarantee.

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