Engineered for Long‑Lasting Performance
High‑Tech WPC Engineering
Grinwood’s manufacturing facility in Zhejiang stands as a modern hub of composite innovation, where advanced extrusion technology and continuous R&D drive the creation of high‑quality WPC materials. Since its founding in 2010, the factory has grown into a fast‑moving production center focused on performance, durability and next‑generation surface technologies. With a clear vision of becoming the preferred global supplier, the company blends engineering expertise with customer‑driven innovation to deliver consistent quality across decking, cladding and fencing solutions. Grinwood’s commitment to production excellence and material advancement shapes every step of its manufacturing process, ensuring reliable, long‑lasting composites for markets worldwide.
Driven by our Core Values
Quality
We create durable products using materials and finishes chosen for long‑term performance.
Sustainability
We design with recycled materials and responsible production embedded from the start.
Customer Focus
We support every user with clarity, reliability, and products that simplify installation.
Innovation
We continuously refine systems and finishes to meet real‑world demands.
Trust
We build long‑term partnerships through consistency, transparency, and dependable quality.
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Designed to Endure
We focus on products that deliver consistent performance over many years. Every material, finish, and construction choice is made for long‑term durability, never short‑term appeal. Our commitment to quality ensures stability, reliability, and strength in every application.
Recycled materials and responsible production methods form the basis of our products. Sustainability is embedded in design decisions, not added as a claim.
Made for real outdoor use
Material Development and Research Lab
Our laboratory is the core of our continuous drive for improvement. Here, materials, profiles, and finishes are tested, refined, and re‑engineered to meet real‑world demands. Every development begins with data, precision, and a commitment to long‑term performance. We explore new composites, evaluate durability under extreme conditions, and validate every detail before it reaches production. The lab enables us to innovate with purpose, creating solutions that are stronger, more stable, and more reliable for the future of outdoor building materials.