WPC Decking is “formaldehyde-free, non-radioactive, non-polluting, can be recycled,” etc., and completely replace the “class wood, aluminum, PVC plastic profile” and other non-renewable, energy consumption of products. It has been widely used in the “public buildings and facilities, landscape construction, integrated housing system construction, interior decoration,” and many other industries and fields. The product had passed the ISO 9001, ISO 14001, INTERTEK, BSCI, ASTM, CE and other system or product certification.