Co-extrusion wpc decking is a new type of composite decking made of composite material as core and coated with super-performance polymer material. Compared to the traditional wpc products, Co-extrusion wpc  provide multiple colors onto the surface to create wood-like texture. The outer layer are used surlyn plastic which is famous for being used to produce golf. The outer layer is four sided surrounding the core materials to give protection against oil, acid, insect, abrasion and UV. The thickness of the outer layer is crucial to the product quality,Jihuawood have strict procedures on quality control to make sure the thickness thicker than 0.5mm.