High-Quality Polycarbonate Sheets | SINHAI Manufacturer 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.

Installing Sinhai’s polycarbonate roof panels requires a systematic approach to ensure optimal performance and durability. Begin by preparing the roof structure, which should be made of corrosion-resistant materials like aluminum or galvanized steel. For multiwall panels, use a support spacing of 400 - 600mm, while for solid panels, 300 - 500mm is advisable. When attaching the panels, drill holes 2 - 3mm larger than the fasteners to account for thermal expansion. Stainless steel self-tapping screws with EPDM washers are recommended to prevent water leakage. For overlapping, ensure a minimum overlap of 50mm for flat panels and one corrugation for corrugated panels. Seal all joints with UV-stable silicone sealant. Sinhai also provides PC H/U type accessories to enhance the connection strength and waterproofing of the panels. Our professional installation guides and technical support team are available to assist with any installation queries. Contact us for detailed installation instructions and on-site support options.

Frequently Asked Questions

Do you take special orders?

Yes , We accept customized products.

Does your company is a factory or trade company?

We have a factory ourselves, we are on this business for 30+ years in China

What is the delivery time?

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

What are your strengths?

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.

What is the payment term?

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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Samuel Ochieng

Lightweight Panels for Rapid Construction Projects

"A modular housing project in Nigeria relied on Sinhai’s polycarbonate panels for quick assembly. The lightweight sheets cut installation time by 50%, and their resistance to humidity and termites is ideal for tropical climates. The customizable colors allowed each unit to have a unique look, and the durable surface requires minimal maintenance."

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."

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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.

High-Quality Polycarbonate Sheets | SINHAI Manufacturer China

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SINHAI: A Leading Polycarbonate Sheet Manufacturer in China

Why choose us?

Strong Quality Assurance with Multiple Certifications

Comprehensive Product Range and Customization Capability

Strategic Location for Efficient Delivery and Cost Savings

Extensive Experience and Global Market Reach

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Frequently Asked Questions

Do you take special orders?

Does your company is a factory or trade company?

What is the delivery time?

What are your strengths?

What is the payment term?

Related Articles

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Case Studies of Energy - Saving with Multiwall Polycarbonate Sheet Installations

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Installing Polycarbonate Roof Panels: A Comprehensive Guide

customer evaluation

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