WPC (Wood-Plastic Composite) columns are engineered structural and decorative posts combining recycled wood fibers with thermoplastic resins to deliver exceptional durability, moisture resistance, and dimensional stability. Manufactured through co-extrusion or mono-extrusion processes, these columns resist rot, termites, and UV degradation while mimicking natural wood aesthetics-making them ideal for pergolas, gazebos, fencing systems, and architectural facades in both residential and commercial landscapes. As China's WPC industry matures toward integrated outdoor living solutions, domestic manufacturers have advanced from basic decking production to sophisticated structural profiles, offering hollow and solid column designs with customizable dimensions, surface textures, and color matching for global construction and landscaping markets.
(In No Particular Order)
1. Haining Pansen Import and Export Co., Ltd.
Haining Pansen Import and Export Co., Ltd. is a professional manufacturer and exporter specializing in PVC and WPC interior and exterior building materials. Based in Haining, Zhejiang Province-China's premier hub for decorative building materials-the company produces a comprehensive range of WPC products including WPC columns, WPC wall panels, WPC ceilings, and integrated outdoor structural systems. Pansen's WPC column portfolio encompasses hollow and solid profile designs engineered for pergolas, gazebos, fencing posts, and decorative architectural applications, featuring co-extruded surface layers for enhanced UV resistance and color stability. The company maintains strict quality control across raw material compounding, extrusion production, and surface treatment processes, ensuring consistent dimensional accuracy and mechanical performance. With established export experience and competitive production costs, Pansen serves international markets across Europe, Southeast Asia, the Middle East, and Africa, providing reliable supply chain solutions for WPC outdoor structure projects.
2. Jiangsu Changlong Decorative Material Technical Co., Ltd.
As the top player in China's WPC industry with 50 years of experience, Changlong produces high-performance WPC structural profiles including columns and posts. The company achieves an annual capacity of 21.6 million square meters with zero formaldehyde emissions, serving global markets through FloorScore, CE, and SGS certified products.
3. Sundi New Material Technology Co., Ltd.
A pioneer in Chinese WPC with four production bases, Sundi specializes in high-performance WPC columns and outdoor structural components. The company's Adamas WPC technology delivers 2–3 times the performance of standard profiles, winning international green design awards for sustainable outdoor living solutions.
4. Anhui Hosung New Material Co., Ltd.
Creator of 3D deep-embossed WPC technology, Hosung holds 115 patents and produces co-extruded WPC columns with natural wood aesthetics. The company serves global distributors and contractors with customized color matching and profile design for pergola and fencing applications.
5. Shanghai Unifloor New Material Co., Ltd.
With 12 years of WPC expertise and 63 extrusion machines, Unifloor produces WPC columns and decking systems in over 200 designs. The company offers 15-year commercial warranties and serves major international construction firms across North America and Europe.
6. Anhui AVID New Materials Co., Ltd.
Founded in 2009, AVID focuses on high-end 3D embossing and co-extrusion WPC columns. The company holds CE, SGS, and TUV certifications, providing 7×24-hour after-sales service and customized development for outdoor courtyard and garden structures.
7. Threel WPC
One of China's earliest WPC manufacturers with 20 years of experience, Threel produces co-extruded and 3D-embossed WPC columns with 15-day fast delivery. The company serves distributors across the USA, UK, Germany, and Australia with ROHS and BSCI certified products.
8. KR Building Materials Co., Ltd.
KR WPC integrates R&D, production, and quality control for full-series WPC structural products including columns and pergola posts. The company emphasizes quick-installation DIY designs and dispatches free samples within 48 hours for global project evaluation.
9. Forestar WPC
With a professional design center partnered with universities, Forestar produces B1 fire-rated WPC columns reaching self-extinguishing performance. The company specializes in customized outdoor structural solutions with enhanced safety characteristics for commercial building applications.
10. Guangxi Zonle Doors Manufacture Co., Ltd.
A prominent WPC producer with four production bases covering 900,000 square meters, Zonle manufactures WPC columns and structural profiles alongside its door systems. The company holds ISO9001 and ISO14001 certifications with annual capacity exceeding 50,000 tons.