Hangzhou Kunyuan Filter Co.,Ltd. Hangzhou Kunyuan Filter Co.,Ltd. has experienced great development and become a specialized filter press manufacturing company with complete equipment, advanced producing method and complete checkout method. At present, Yongchang is one of biggest manufacturers and service providers in China for filter press. We have been able to consistently produce the best quality products with aid of several factors such as rich experiences, high level of advanced technologies, great R&D(research and development) programs, strict quality control and importantly we have been able to solve the complicated filtering problem.Address: Pingyao industrial zone, Yuhang, Hangzhou, China