Your Trusted Manufacturer of WPC Decking, Cladding & Outdoor Solutions
Tongxiang Dayi Wood & Plastics Co., Ltd. is a professional manufacturer specializing in wood plastic composite (WPC) products, including composite decking, wall cladding, fencing and outdoor living solutions.
Located in the Yangtze River Delta - China's manufacturing heartland - DAYI is strategically positioned near Shanghai and Hangzhou ports, ensuring efficient global logistics and fast delivery.
With years of experience in WPC extrusion manufacturing, DAYI provides durable, low-maintenance and weather-resistant composite products for residential, commercial and landscape projects worldwide.
Our WPC material combines HDPE and natural wood powder through advanced extrusion technology, delivering products that offer the beauty of natural wood with superior durability - lasting 5-10 times longer than traditional timber.
Built to Deliver at Scale
From raw materials to finished products, every stage is managed in-house to ensure consistent quality and reliable supply.
WPC Production Capability
From raw material preparation to extrusion, surface treatment and packaging, DAYI controls every stage of production.
Twin-Screw Extrusion Equipment
8 sets of advanced double-screw extruders for precise WPC profile production with consistent density and performance.
Co-Extrusion Technology
Advanced co-extrusion process creates a protective outer layer for enhanced UV resistance, color stability and surface durability.
Surface Embossing & Treatment
Realistic wood grain textures through precision embossing technology, available in 200+ designs and color options.
In-House Warehousing & Packaging
Organized inventory management and professional export packaging to protect products during international shipping.
WPC Production Process
Every DAYI product goes through a controlled 5-stage manufacturing process to ensure consistent quality from raw material to shipment.
1. Raw Material Mixing
HDPE + wood powder precisely blended with additives for optimal formulation
2. Extrusion
Twin-screw extrusion at controlled temperature and pressure
3. Surface Treatment
Embossing, brushing and co-extrusion for realistic wood texture
4. Quality Inspection
Multi-point testing: dimension, strength, color, water absorption
5. Packaging & Shipment
Export-grade packaging with full documentation
Professional WPC Testing Laboratory
Quality consistency is essential for outdoor composite products. DAYI operates an internal laboratory to test material performance and product durability before shipment.
Every batch of raw materials and finished products is tested before shipping. Our in-house laboratory ensures that each shipment meets international quality standards.
Raw Material Inspection
Density Testing
Water Absorption Test
Weather Resistance Test
Color Stability Test
Bending Strength Test
Impact Force Test
Pre-Shipment Inspection
"We test every batch - not just spot-check. That's how we maintain a 100% qualified delivery rate."
Internationally Recognized Standards
DAYI follows strict quality management procedures throughout production. Our products are certified to meet international performance and safety requirements.
CE Certification
Compliance with EU health, safety and environmental standards, enabling free trade across the European Economic Area.
SGS Test Reports
Independent third-party testing ensures product performance and safety compliance for international markets.
Slip Resistance Test
Certified anti-slip performance, making DAYI decking safe for poolside, terrace and wet area applications.
High-Tech SME of Zhejiang
Recognized as a provincial high-tech small & medium enterprise for innovation in WPC technology.
Innovative Enterprise
Awarded Tongxiang Innovative Enterprise status for continuous R&D in composite material technology.
Quality Management System
End-to-end quality management from incoming materials to finished products and pre-shipment checks.
OEM & Custom WPC Solutions
We support customized WPC solutions based on different market requirements - from colors and textures to profiles and packaging.
Whether you're a distributor, brand owner or importer, DAYI offers flexible OEM services to help you build a competitive product line in your market.
Serving Global Outdoor Projects
DAYI products are supplied to customers worldwide for residential landscaping, commercial outdoor spaces and architectural projects.
North America
Residential decking & commercial landscaping
Europe
Architectural cladding & garden projects
Asia Pacific
Premium outdoor living & landscape construction
Middle East & Africa
Hotel & resort outdoor installations
Why Choose DAYI?
Six reasons why global distributors and contractors choose DAYI as their long-term WPC supply partner.
Factory Direct Manufacturer
Direct production with stable supply capability. No middlemen - competitive pricing and consistent quality from source.
Complete WPC Product Range
Decking, wall cladding, fencing and outdoor structures - one supplier for all your outdoor composite needs.
Custom Development
OEM solutions with custom colors, profiles, textures and packaging for different markets and brand requirements.
Strict Quality Control
In-house laboratory testing on every batch. CE & SGS certified. 100% pre-shipment inspection.
Competitive Production Cost
Efficient manufacturing and supply chain management. Factory-direct pricing without sacrificing quality.
Export Service Experience
Professional international trade support. Fast quote, on-time delivery, and dedicated after-sales service.
Ready to Start Your WPC Project?
Contact us today for factory pricing, free samples and professional project consultation.