AOQI accumulator Limited company was founded in June 2006, company was located in the Bohai Sea coast of Tianjin Binhai New area, the registered capital of 30 million.Tianjin AOQI accumulator Limited company was one of the earliest welded diaphragm accumulator's research and development institutions and the only one able to quantify production welded diaphragm accumulator's in china.the Company was committed to the research and manufacture of accumulators and related modules, product promotion, and related design and manufacturing systems engineering, technical advice and other services.Product quality and installation dimensions comply with appropriate industry standard in Europe and America.Many accumulators and hydraulic modules have been widely used in automobiles, engineering machinery, wind power, ships, iron and steel, metallurgy, coal mining, construction and other industrial areas.