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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

Bamboo PC sheet VIEW DETAILS

Bamboo PC sheet

Corrugated PC sheet VIEW DETAILS

Corrugated PC sheet

Diamond Embossed Corrugated PC sheet VIEW DETAILS

Diamond Embossed Corrugated PC sheet

Sound Insulation and Heat Insulation Anti-scratch PC Sheet Polycarbonate Solid Sheet Roofing Plastic Panel VIEW DETAILS

Sound Insulation and Heat Insulation Anti-scratch PC Sheet Polycarbonate Solid Sheet Roofing Plastic Panel

Sinhai’s polycarbonate roofs for conservatories are designed to create optimal growing environments with superior light and thermal management. Constructed from 8–16mm honeycomb hollow PC sheets, these roofs offer 85% light transmittance and excellent insulation, maintaining consistent temperatures for plant growth. The multiwall structure reduces heat loss in winter and minimizes solar overheating in summer, achieving energy savings of up to 30%. UV-protective layers on both sides prevent UV damage to plants and materials, while embossed options enhance diffused lighting for sensitive crops. Engineered to withstand snow loads (1.0 kN/m²) and wind speeds (110 km/h), these roofs comply with EN 16240 standards. Sinhai’s turnkey solutions include pre-fabricated roofing kits with aluminum framing, ensuring quick installation. Contact us to discuss custom conservatory roof designs and request thermal performance data.

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

Hiroshi Tanaka
Custom Polycarbonate Windows for Unique Architectural Styles

"An architectural firm in Japan used Sinhai’s bendable polycarbonate windows for a curved facade project. The material’s flexibility allowed for seamless integration into the modern design, while the high clarity preserved panoramic views. The UV-stabilized coating ensures no yellowing over time, and the weatherproof seal prevents leaks during typhoons. Innovative and reliable."

Hans Müller
Sustainable Polycarbonate Windows for Green Buildings

"A LEED-certified office building in Berlin incorporated Sinhai’s recycled polycarbonate windows. The material’s thermal performance and low VOC emissions contributed to energy efficiency credits. The windows’ light transmittance enhanced indoor productivity, and the durable frame required minimal maintenance. A responsible choice for green architecture."

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High-Performance Polycarbonate Windows

High-Performance Polycarbonate Windows

Sinhai's polycarbonate windows combine clarity (85% light transmittance) and energy efficiency, made from solid or hollow PC sheets (1mm-10mm thickness). They offer UV resistance, thermal insulation, and impact strength 10x greater than glass. Customizable in size and color, with options for sound insulation, these windows suit residential and commercial buildings, backed by ISO 9001:2015 certification and fast delivery from Kashgar.

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