... - 400 employees- 20 extrusion lines- 2,000,000 sqm/year weather resistantt exterior WPC wall panel/wall board Main features: (1 ... . (3) Favorable mechanical performance, stable over a wide temperature range, weather resistant, especially can be used in the open air. (4 ... designs of Lifang WPC wall panel, your design is welcome. weather resistantt exterior WPC wall panel/wall board