... customer service bimetallic conical twin screw barrel for WPC profile production specification:35/76, 45/90, 45/100, 50/105, 51/105, 55/110, ... head type etc.scope of application : PVCwood-plastic., PE wood-plastic,,Super high polymer board,1/2 high Calcium buckle ... Profile,soft PVC sheet, PVCfoaming boardetc.PP,PE,ABS,PVC,raw material pelletzing,plastic pipe,plastic profile,and plastic sheet etc.