China Wholesale Plastic Composite Decking Manufacturers & Suppliers

The Definitive Whitepaper on High-Performance Wood-Plastic Composites (WPC) Engineering, Supply Chain Security, and Architectural Integration by Shandong Xiangying

Engineered Architectural Solutions

Discover our primary product lines optimized for heavy commercial traffic, outdoor weathering, and custom structural applications.

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About Shandong Xiangying

Shandong Xiangying New Materials Technology Co., Ltd.

Established in 2014, Shandong Xiangying has evolved into a premier high-tech enterprise integrating R&D, advanced manufacturing, and global supply chains for architectural wood-plastic composites (WPC), outdoor decking, UV panels, and rockpanels. For over a decade, we have partnered with civil engineers, developers, and global distributors to deliver maximum ecological and financial value.

Our commitment rests on the solid foundation of "Quality First, Service and Sincerity in Exchange for Your Trust." By constantly optimizing polymer density, UV stability, and flame retardancy, we ensure that every square meter of our composite solutions outperforms traditional hardwoods while maintaining zero carbon-footprint credentials.

Xiangying Factory Workshop Xiangying Brand Icon
Shandong Xiangying Global Production Facility and Warehousing Area
100,000㎡
Standardized Factory Space
100+
Automated Extrusion Lines
300k m³+
Annual Production Capacity
60+
Countries & Regions Served
WPC Material Compounding Facility

Rigorous Quality-First Philosophy

Adhering to our core tenet of human safety and ecological sustainability, Shandong Xiangying operates with full traceabilty from wood fiber sourcing to raw polymer extrusion. We strictly implement the ISO9001 and ISO14001 operational frameworks, ensuring that every production batch meets rigorous international thresholds.

Carbon-Neutral Raw Material Matrix

Our composite boards combine 50-60% recycled natural fibers (wood flour, rice husk, straw) with high-density polyolefins and non-toxic additives, ensuring a circular economy approach without compromising mechanical strength.

Technical Roadmap & Future Outlook

Pioneering advancements in co-extrusion technology, anti-microbial surfaces, and structural life-cycle enhancement.

360-Degree Cap Shielding

Our next-gen Co-Extrusion series utilizes a high-grade polyethylene shield that envelops the inner core on all four sides. This polymer shield contains specialized UV-stabilizers and inorganic color pigments, preventing core water absorption and surface color degradation.

Biocide-Free Resistance

Unlike pressure-treated timber that relies on heavy copper compounds or dangerous chemical washes, Xiangying WPC contains structural anti-fungal complexes integrated directly into the masterbatch. This prevents mold and wood-boring pest attacks naturally.

Thermo-Elastic Dimensional Stability

By optimizing our linear thermal expansion coefficient to under 4.0×10^-5/℃, we ensure our decking handles temperature extremes (-40°C to +60°C) without buckling, warping, or fastener loosening in freeze-thaw cycles.

Macro-Industry Solutions & Architectural Specifications

Tested parameters and standard performance tables designed for structural engineers and procurement officers.

Performance Metric Testing Protocol (ASTM/EN) Xiangying Engineering Specification Industry Benefit
Flame Retardancy EN 13501-1 / ASTM E84 B1-S1 Class / Class A Self-extinguishing, low smoke generation, non-combustible.
Formaldehyde Emission EN 717-1 E0 Grade (≤0.050 mg/m³) Completely safe for indoor architectural and kindergarten applications.
Flexural Strength (MOR) ASTM D7032 / EN 310 ≥28.5 MPa Supports elevated loading spans without structural deflection.
Water Absorption ASTM D1037 ≤0.8% (24-hour immersion) Zero swelling, no rot, ideal for swimming pools and marinas.
Slip Resistance DIN 51130 / ASTM F1679 R11 Class / Wet COF >0.65 High slip-resistance for public safety in commercial walkways.

Structural Applications across Segments

Our engineering matrix enables custom profiles optimized for different mechanical demands. From heavy public boardwalks featuring massive daily pedestrian loads to light-weight, moisture-resistant garden borders, we calibrate density and wall thickness dynamically during the extrusion phase.

We work directly with commercial landscape designers to integrate hidden fastening clips, matching trim, stair treads, and balustrades, offering a unified, easy-to-install outdoor spatial solution.

Commercial Outdoor WPC Walkway Project Implementation

Verified Product Certification & E-E-A-T Badges

Third-party laboratory verifications proving B1 fire protection and E0 environmental standards.

Certification Documents 1

ISO 9001 Compliance

Validates quality management processes throughout our entire 100,000 square meter factory layout.

Certification Documents 2

CE Mark Certification

Formally certifies compliance with European safety, health, and environmental protection standards.

Certification Documents 3

B1 Fire Rating Approval

Conforms to national non-combustible building materials standards, featuring self-extinguishing safety.

Certification Documents 4

E0 Ecological Level

Formaldehyde levels tested to be below detection limits, ensuring complete biological safety.

Raw Materials Compounding Silos and Logistics Complex

China Factory 4.0: Supply Chain Resilience & Efficiency

Operating out of Linyi, Shandong, the geographic epicenter of wood processing and polymer chemical supply chains in Northern China, Xiangying ensures complete supply chain autonomy. Our 100+ active extrusion lines allow us to maintain a stable lead time, regardless of seasonal peaks.

By utilizing automated twin-screw extruders with real-time temperature feedback loops, we minimize variance in thermal expansion and tensile behavior. Furthermore, our direct relationships with local chemical complexes guarantee a steady supply of high-grade HDPE and specialized anti-aging compounds, neutralizing global raw material volatility.

Quality Control Lab Container Loading Area

Xiangying Elegant Demeanour & Material Series

A comprehensive breakdown of our four specialized material portfolios for interior and exterior architectural design.

Indoor WPC Series

Indoor WPC Series

Solid Color Wood Grain Stone Pattern Leather Texture

Lightweight profiles designed for indoor wall cladding, ceiling panels, and residential accent walls.

Outdoor WPC Series

Outdoor WPC Series

Wire Drawing Relief Deep Grain Co-Extrusion Anti-Slip

High-density heavy-duty decking, wall cladding, and fencing panels built for outdoor weathering.

UV Marble Sheet Series

UV Marble Sheet

High Gloss Gilded Gold 3D Printing

Ultra-hygienic, highly aesthetic panels replicating natural marble for commercial lobbies and bathrooms.

Bamboo Charcoal Wood Veneer

Bamboo Charcoal Veneer

Metallic Mirror Finish Malleable

New technological material utilizing activated charcoal, perfect for sound absorption and high-end furniture.

Localized Support & Compliance Assurance

How we protect international buyers from risk through comprehensive compliance and direct logistics assistance.

1. Custom Formulation

We modify UV stabilizers, flame retardants, and fiber-to-polymer ratios according to the target market's climate profile (e.g., GCC desert conditions or Northern European winters).

2. Direct Freight Management

Our proximity to Qingdao and Lianyungang ports gives us competitive shipping access, with full customs documentation, certificate of origin handling, and duty optimization.

3. Marketing Support

We supply wholesale distributors with physical color sample cases, cut-away profiles for client demonstrations, and localized technical datasheets translated into major languages.

Xiangying Factory Shipping Dock Raw Material Compounding Systems Extruded Board Cooling Line
Heavy-duty Cutting Systems Finished Decking Storage Yard Packing and Strapping Station

Design Gallery & Project Applications

Explore a selection of verified installations utilizing our WPC wall panels and outdoor decking series.

Indoor Wall Panel Project Showcase 1 Outdoor Decking Near Pool Showcase 2 UV Marble Panel Interior Showcase 3
Commercial Facade WPC cladding Showcase 4 Bamboo Veneer Hotel Interior Showcase 5 Modern Minimalist Office Design Showcase 6

Frequently Asked Questions

Addressing technical and commercial inquiries regarding our composite profiles, shipping policies, and product performance.

What exactly is the material composition of your WPC decking? +
Our wood-plastic composite is formulated from 55% wood fiber (mesh size 80-100 to ensure maximum structural matrix homogeneity), 35% eco-friendly high-density polyethylene (recycled HDPE to optimize carbon offsets), and 10% chemical processing additives (coupling agents, lubricants, UV stabilizers, anti-fungal agents, and color pigments).
Does your composite decking warp or split like natural timber? +
No. Traditional wood warps and splits because it is hygroscopic—absorbing and desorbing moisture according to ambient humidity. By encapsulating wood fibers completely within a dense polymer matrix, our WPC moisture absorption is less than 0.8%, preventing structural warping, twisting, splitting, and rot.
How do you handle color fading over extended outdoor UV exposure? +
All outdoor materials face some degree of sun exposure. During the initial 12-16 weeks outdoors, our WPC decking undergoes a natural stabilization process where the surface wood fibers adjust to UV rays. After this initial adjustment phase, color remains stable for decades. Our high-end co-extrusion series utilizes an additional, non-fading polymer cap that prevents fading almost entirely.
What is the standard joist spacing requirement for installation? +
For residential foot traffic using our standard 23mm or 25mm thickness hollow-core profiles, we recommend a center-to-center joist span of 30cm to 35cm. For heavy commercial boardwalks or projects utilizing solid decking profiles, maximum joist span should not exceed 30cm.
Do you offer OEM custom profiles, lengths, and colors? +
Yes, as a vertically integrated manufacturer with our own tooling design department, we customize composite profile geometries, surface textures (e.g., deep relief 3D embossing, wire brush, sanding), and custom board lengths to match architectural plans and eliminate project site wastage.
How does the B1 fire certification behave in a commercial fire incident? +
B1-level fire certification indicates high flame retardancy. When exposed to an open flame, the material will not easily catch fire. If ignite source is sustained, it burns slowly without creating burning droplets and immediately self-extinguishes once the external flame source is removed, limiting the spread of fire.

Specialty Cladding, Veneer & Fencing Systems

Complementary high-durability building products completing our exterior and interior structural system portfolio.

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