1.wpc louver 2.non checking ,Wood plastic composite 3.CE and ISO 9001 4.sun shading 5. ... can be processed to sound absorbing panels, woodiness ceilings, doorframes, window frames, fences, picture frames, stair treads, stair railings, different size ... WPC is a perfect composite combined by natural fabrics and plastic. Its properties are outstanding: high strength, high stiffness, fire resistance ...