... PP,PS,EVA,PU,PVC,U-PVC,etc3)PA + GF(Glass Fiber)4)Flame-resistant Reinforced Plastics5)Modified Engineering Plastics6 ... the machine performance and quality directly,therefore,QunYing established quality control system strictly as ISO 9001:2008 International Quality System, ... ;2, The conical double screw extruder system has applied computer control;3,The cooling system has applied special design, heat ...