Changzhou Sujin Polymer Technology Co., Ltd. In 2007, our company and Changzhou Sujin Polymer Co., Ltd. successfully reached the first phase of equipment supply agreement, including five SHJ75 twin-screw extruders; in 2010, it successfully reached the second phase of batch production. The equipment supply agreement includes ten series of twin-screw extrusion lines such as SHJ75B and SHJ75D.