Qingdao Dongfang Sanli pressure vessel factory is established in 1997, is an independent legal entity. Is a professional manufacturer of D pressure vessel, and has the mass production of various types of air compressor, gas tank production lines, and casting parts, finished nose, oil-water separator and other products. My company covers an area of 4000 square meters, construction area of 2500 square meters. The existing staff of 45 people, with four departments and five workshops, 6 technicians, including 2 senior engineers, 2 engineers, 2 assistant people accounted for 14% of the total number of workers. All 14 skilled workers which certified welder 10, NDT personnel 4 people, 2 people of electrician, Crane 2, quality inspection personnel 5 people. There are 2 closed welding workshop area of 1680 square meters. X - ray inspection room 1, welding laboratory 1 and a one or two - level welding material library. The company is used to make pressure vessel equipment testing and testing equipment and instruments, such as 45 units (sets)