... factory specialized in making screw barrel, filter, mould, gearbox and recycling machine. Founded in 1988, Yumin machine screw factory has ... parts of China. With the advanced technology and efficient management, we have the confidence and ability to give the best product with excellent ... 0.015mUsed for granulation,PP, PE, PA, PC, ABS,AS etcWe can manufacture various kinds of screw barrels according to ...