Hangzhou Polytech Engineering & Technology Co., Ltd. is a national high-tech enterprise registered in Hangzhou High-Technical Development Zone. We cooperate with Zhejiang University to get the advanced polymer extrusion techniques and the abundant experience, on the basis of which company insists on providing advanced product and technique, high-quality extrusion equipment to meet clients vary demands. Our company has our own R&D and manufacture center. The main business includes the design ...