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 polycarbonate sunrooms are designed to create bright, energy-efficient spaces using multiwall (4–25mm) or solid PC sheets. The multiwall structure traps air for thermal insulation, maintaining comfortable temperatures year-round, while clear panels offer up to 91% light transmittance for plant growth. UV protection and anti-fogging treatments ensure long-term clarity and performance in humid environments. Customizable in size and layout, these sunrooms can be integrated with ventilation systems and decorative elements. Contact us to design a polycarbonate sunroom that maximizes natural light and thermal efficiency.

Frequently Asked Questions

Do you take special orders?

Yes , We accept customized products.
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.

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customer evaluation

Emma Watson
Bright and Spacious Polycarbonate Sunroom

"We built a sunroom in Vancouver using Sinhai’s hollow polycarbonate sheets. The excellent light transmittance and thermal insulation keep the space warm in winter. The modular design made installation easy, and the 10-year warranty is a great guarantee."

Jean-Luc Tremblay
Energy-Efficient Sunroom Solution for Cold Climates

"In Montreal, our sunroom remains comfortable year-round thanks to Sinhai’s double-wall sheets. The UV coating prevents fading, and the airtight seals block drafts. The team helped with custom cuts, ensuring no material waste."

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High-Performance Polycarbonate Sunroom Solutions

High-Performance Polycarbonate Sunroom Solutions

Sinhai's polycarbonate sunrooms offer superior light transmittance (up to 89%) and UV resistance, made from 100% virgin PC material with SABIC resin and Lotte UV additives. They provide excellent thermal insulation, reducing energy costs by up to 30% compared to traditional glass. Available in clear, tinted, or embossed finishes, these sunrooms are lightweight (50% lighter than glass), impact-resistant, and customizable in size (thickness: 4mm-10mm, width up to 2100mm). With ISO 9001:2015, CE, and RoHS certifications, they feature a 10-year warranty and fast delivery from Kashgar, ideal for year-round use in residential and commercial applications.

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