Qingdao Three-star Diatomite Co., Ltd specialized product diatomite, Filter Aid of Diatomite and diatomite whole sets, which takes the lead in passing ISO9001 International Quality System Certification, ISO14001 Environment management System and Occupational Safety and Health Management System (OSHMS) among the production enterprises of diatomite. As a technology-intensive enterprise, Qingdao Three-star Diatomite Co., Ltd is specialized in the design and production of automatic welding equipment such us electric welding machine, cutting machine, weling manipulator, self-adjustable and adjustable welding turning rolls, welding inverter, etc. The company in engaged in the technology development, production, sales and application of automatic welding production line with advanced welding technology and precise production ***** company has advanced, stable, reliable and practical application technology combining perfect welding technology and welding center with general submerged arc welder, CO2 protective welder, argon welder, plasma cutting machine, digital automatic manipulator, welding turning rolls, welding inverter, positioner and DC intelligent system.