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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.

Related products

Sinhai’s polycarbonate laminas (solid sheets) are manufactured from 100% virgin PC resin, offering superior clarity (91% light transmittance) and impact resistance (200x stronger than glass). Available in thicknesses from 1mm to 20mm, these sheets are ideal for safety glazing, machine guards, and display partitions. The colored variants (blue, green, bronze) provide aesthetic appeal while reducing solar heat gain, suitable for architectural facades and interior design. Surface treatments include anti-fogging and anti-scratch coatings, enhancing usability in humid or high-traffic environments. Compliant with IEC 62321 for RoHS 2.0, they pass fire tests (FIGR ≤ 250 W/s, THR ≤ 15 MJ) and are certified under GB/T 19001 quality management systems. Sinhai’s global logistics network ensures delivery to 180+ countries, with custom cutting and drilling services available upon request.

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

Maria López
Lightweight Cellular Polycarbonate for Thermal Insulation

"A passive house in Spain used policarbonato alveolar sheets for wall cladding. The honeycomb structure provided excellent thermal insulation, reducing energy needs by 30%. The translucent finish diffused natural light, creating a warm interior ambiance. The material’s light weight simplified installation, and the long lifespan made it a cost-effective choice."

Juan Perez
Cellular Polycarbonate for Greenhouse Roofing

"My greenhouse in Argentina relies on policarbonato alveolar sheets for optimal light and heat retention. The 8mm multiwall sheets offer 85% light transmittance and prevent heat loss during cold nights. The anti-fogging treatment keeps the sheets clear, and the UV-stabilized surface has resisted degradation from intense sunlight. Ideal for year-round gardening."

Paulo Santos
Durable Cellular Polycarbonate for Outdoor Signage

"A tourist attraction in Brazil used policarbonato alveolar sheets for wayfinding signs. The lightweight sheets were easy to install in remote areas, and the cellular structure provided rigidity without added weight. The UV-resistant coating maintained vibrant graphics, and the weatherproof design withstood heavy rains. A reliable solution for outdoor signage."

Carla Sousa
Sustainable Cellular Polycarbonate for Eco-Designs

"An eco-village in Portugal incorporated recycled policarbonato alveolar into its sustainable homes. The material’s thermal performance and recyclability aligned with the community’s green goals. The sheets’ translucency provided privacy while allowing natural light, and the modular design facilitated quick construction. Innovative and environmentally friendly."

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Honeycomb Polycarbonate Sheets (Policarbonato Alveolar)

Honeycomb Polycarbonate Sheets (Policarbonato Alveolar)

Sinhai's honeycomb polycarbonate sheets (8mm-10mm) feature a multiwall structure for superior thermal insulation (U-value: 2.0-3.5W/m²K) and soundproofing (25dB reduction). Made with UV-resistant PC, they offer 80% light transmittance and are suitable for curtain walls and greenhouses. Customizable in color and size, they comply with GB/T 44570-2024 and come with a 10-year warranty, supported by 25+ production lines.

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