Nantong Sutong Separation Engineering & Technology Co., Ltd., formerly known as Keyuan Chemical Tower Device, was established in 1980. We are an ISO9001 certified firm. We are a manufacturing and testing base appointed by National Technology Center of Chemical Engineering Design and Nanjing University Separation Division. We produce tower internals and packing. We developed dozens of the patent products with the technical support of Chemical Separation Engineering Research Center of Nanjing University. We widely cooperate with the design corporations in the distillation, absorption,...