Yantai Volm Vacuum Technology Co., Ltd. was established in 2002, specializing in the production of Water Ring Vacuum Pump, Roots Vacuum Pump, Dry Screw Vacuum Pump and Vacuum System Equipment. The company is equipped with the most advanced processing center & assembly workshop & quality control center, covering an area of 28,000 square meters and construction area of 20000 square meters, and has get the certification of ISO 9001 : 2008 quality management system.