Yantai Volm Vacuum Technology Co., Ltd. wasestablished in 2002, specializing in the production of Water RingVacuum Pump, Roots Vacuum Pump, Dry Screw Vacuum Pump and VacuumSystem Equipment.The company is equipped with the most advanced processing center& assembly workshop & quality control center and has getthe certification of ISO 9001 : 2008 quality managementsystem.  As the member of China Vacuum Society, China General MachineryVacuum Equipment Industry Association, the company is named ashigh-tech enterprise in Shandong province.Â