Expands Manufacturing Capacity with Next-Generation Co-Extrusion WPC Cladding Line

Published Date: March 18, 2026

Author: David Zhang, Senior Director of Material R&D at Haining Vanshine

Category: Product Innovation / Factory News

Executive Summary 

Haining – March 18, 2026 — Vanshine, a global manufacturer of eco-friendly architectural composite materials, today announced the full operational rollout of its new 360-degree co-extrusion WPC cladding production line. The $1.8 million facility upgrade increases production output by 35% while introducing enhanced UV and moisture protection engineered for high-exposure commercial and residential facades.

Solving Real Facade Challenges: Technical Breakthroughs

Traditional exterior wood cladding faces severe challenges in harsh environments, including fading, moisture warping, and high maintenance costs. Haining Vanshine’s new WPC wall cladding panels utilize advanced dual-layer co-extrusion technology, consisting of:

• Outer Layer: A high-density polymer protective shield enriched with UV inhibitors and anti-stain technology.

• Inner Core: A high-strength structural core made from 60% recycled wood flour, 30% recycled HDPE, and 10% eco-friendly additives.

Key Performance Upgrades:

• Enhanced UV Stability: Laboratory accelerated weathering tests (ASTM G154) show a Δ E < 3.0 color change after 3,000 hours of UV exposure, guaranteeing color retention for up to 25 years.

• Ultra-Low Moisture Absorption: Water absorption rates have been reduced to ≤ 0.8% after 24-hour full submersion, preventing swelling, rot, and mold growth.

• Dimensional Stability: Thermal expansion coefficients controlled to within 41.6* 10¯6 * K¯¹, satisfying strict EU structural requirements (EN 15534).

Verified Certifications & Compliance 

To ensure our global distributors and contractor partners can proceed with project bidding without regulatory hurdles, our latest WPC cladding series has undergone independent third-party testing by Intertek and SGS:

Leadership Insight

"Exterior wall cladding isn't just about aesthetics; it's about structural longevity," stated David Zhang, Senior Director of Material R&D at Haining Vanshine. "By engineering a 360-degree fully encapsulated polymer shield around our composite core, we have virtually eliminated the need for regular staining, sealing, or sanding. This upgrade allows our international clients to offer a zero-maintenance facade solution with lower lifetime ownership costs."

Global Supply Capability & Availability 

With the expansion complete, Haining Vanshine’s facility now houses 12 continuous extrusion lines with a daily output capacity exceeding 15,000 square meters of WPC cladding panels.

• Standard Profiles: 219mm * 26mm fluted panels, 156mm * 21mm traditional lap siding.

• Customization: Custom lengths (e.g., 2.9m, 5.8m for container optimization) and 12 anti-fade wood grain textures.

• Lead Times: Standard orders ship within 10–14 days FOB / CIF.

About Haining Vanshine

Founded in 2012, Haining Vanshine is an ISO 9001:2015 certified manufacturer specializing in eco-friendly outdoor composite solutions, including WPC cladding, co-extrusion decking, and exterior wall panels. Operating a 35,000 m² production hub, the company exports to over 50 countries across Europe, North America, and the Middle East.

Media & Procurement Contacts:

• Technical Inquiries: cissy@wpc-wallpanels.com

• Sales Team: cissy@wpc-wallpanels.com

• Factory Address: Room 2012, Hongyun Building, No. 497 Nongfeng Road, Xiashi Subdistrict, Haining City

• Official Website: www.wpc-wallpanels.com