... , Spanish, Chinese ect. Optimize Extrusion SystemA. Optimization of screw, barrel, with the following characteristics:B. Using variable frequency speed regulation ... and screw head for a variety of commonly used thermoplastic plastic, such as PE, PP, PETG, PA ... ... Optimize mould headA. ... , the products of the wall thickness was optimized, and plastic raw materials saving.E. All of the die can be ...