Located in hi-tech development district of Chongqing, Chongqing Tongsheng Electromechanical Co.,Ltd.(Chongqing Tongsheng Electromechanical Institute) is a hi-tech enterprise and professional in research, design and production of industrial equipment; one of cooperative company of state operating oil standard and qualified enterprise of ISO9001-2000 standard; The only company provided manufacturing license of anti-explosion oil-filtering machine; Theexclusive authorized company of advanced company in the counterparts of state technological inspection bureau of China. We hammer away to research and development of oil-filtering machine. Introduced overseas advanced technology, the technology of vacuum oil-filtering machine is far ahead and provided national patent. Various equipments are produced according to the standards of JB/T5285-91 of former mechanical industry department of China, DL/T521-93 and "enterprise standard" of former electric department. Our products are sold widely in China and southeast Asia, ect district. The company has 256 employees and 51 senior and middle level technicians; possesses fixed assets of 28 million Yuan, standard production workshops of 8 thousand square meter and advanced testing methods; occupies 25.5 square meter; the flagship of oil purifier industry in China. Main products: JT Oil purifier of Steam Turbine Oil,JTB Series Turbine Oil Filter, ZY High-efficiency Vacuum Lube Oil purifier, ZL Series High-efficiency Vacuum Oil purifier,ZT Phosphate Fire-Proof Oil purifier, ZJ　Precise Mass Flow oil purifier & Oil purifier Machine,ZJA Series Vacuum Muti-function Oil purifier, BLK Series Anti-explosion Vacuum Oil purifier,ect, Which are applicable to petroleum, chemistry, electricity, shipping and mechanical processing, ect industry.