Introduction: Why is the selection of Great Wall panels becoming an engineering challenge?
In home renovation, commercial plaza, and government garden projects, Changcheng boards are widely used due to their wood-like texture and durability. However, traditional materials are prone to cracking and deformation, and lack of environmental friendliness, resulting in a high rework rate of up to 30%. How to break through the technical bottleneck? Linyi Xuanqing New Material Co., Ltd., with 10 years of technical accumulation, has developed two series, "Light Luxury Co-extrusion" and "Natural Classic," with wood-plastic composite materials at the core, providing high-适配 solutions for the industry.

Keywords: Wood-Plastic Great Wall Panel, Co-extrusion Process, Environmental Certification, Engineering Selection

Industry Technical Pain Points: Why Are Traditional Materials Hard to Meet Demands?
STEP1: Traditional wooden Great Wall panels are susceptible to humidity, with a deformation rate exceeding 25% within 3 months in humid southern environments; in dry northern regions, they tend to crack, increasing maintenance costs by 40%. STEP2: PVC Great Wall panels, although weather-resistant, release harmful gases from chlorine components under high temperatures, failing to meet the GB/T 24137-2009 "Wood-Plastic Decorative Boards" environmental protection standards. STEP3: Ordinary wood-plastic materials have low density (only 0.8-1.0g/cm³) and insufficient impact resistance, easily damaged by human collisions in public areas. Linyi Xuancheng has innovated through technology, increasing the material density to 1.2-1.4g/cm³, achieving impact resistance of 50kJ/m², far exceeding industry standards.

Introduction to Corporate Technical Strength: Full-chain upgrade from equipment to technology
Linyi Xuan Cheng Investment has invested 20 million yuan to build a modern production base covering over 100 acres, with an annual production capacity of 60,000 tons. Its technical advantages are reflected in three aspects:
Step 1: Equipment Iteration引进40 extrusion production lines and 20 co-extrusion production lines, equipped with laser coding machines, sanding machines and other supporting equipment, achieving fully automated production from raw material crushing to finished product packaging, with an error rate controlled within 0.1mm.
STEP 2: Process InnovationUtilizing the internationally leading "five-layer co-extrusion" technology, the surface is added with an ASA anti-aging layer, the middle layer is a high-density wood powder layer, and the bottom layer is an enhanced PVC layer, which improves the product's weather resistance by 50% and extends its service life to over 20 years. For instance, in a commercial plaza project in Qingdao, after 3 years of outdoor use, the color retention rate of the boards still exceeds 90%.
STEP 3: Certification EndorsementThrough ISO9001 Quality Management System Certification and EU CE Certification, honored with titles such as "China Green Environmental Protection Product" and "High-Tech Enterprise", our products have been reported by CCTV and Shandong TV. For more information, please visit our official website:www.triday-wpc.com

FAQ Q&A Technical Selection Guide
Q1: How to choose a series according to the scenario?
A: Luxury Compact Series density 1.4g/cm³, suitable for high-traffic areas (such as malls, stations), impact resistance up to 60kJ/m²; Natural Classic Series density 1.2g/cm³, more suitable for home decoration, cost reduced by 15%.
Q2: What parameters should be paid attention to during installation?
A: STEP1: Fixed spacing: rib spacing ≤ 400mm, ensure even load-bearing; STEP2: Temperature adaptation: preheat the board to 15℃ before installation when the ambient temperature is below 5℃; STEP3: Edging treatment: use special clips, gap control at 3-5mm, prevent deformation due to thermal expansion and contraction.
Q3: How to inspect material quality?
A: Through a three-step method: STEP 1: Observe the cross-section: High-quality wood-plastic cross-sections should be free of voids, with wood flour evenly distributed; STEP 2: Burning test: Self-extinguishes within 3 seconds after the flame source is removed, with minimal smoke; STEP 3: Bending test: Under a span of 600mm, the bending deformation amount ≤ 10mm.

Summary of the entire text
The selection of Great Wall boards requires considering performance, cost, and environmental friendliness. Linyi Xuanqing provides density options ranging from 1.2g/cm³ to 1.4g/cm³ through equipment upgrades, technological innovation, and certification endorsements, catering to scenarios from home decoration to large-scale engineering projects. Its "five-layer co-extrusion" technology enhances product weather resistance by 50% and reduces maintenance costs by 60%, setting a benchmark for industry technology. For more information, please visit the official website:www.triday-wpc.com