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Hunan Jiangbin machinery Factory

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    Hunan Jiangbin Machinery Factory, a special factory manufacturing engine pistons,gears. and lube-oil pumps,is one of state-owned largesized enterprises subordinated to China North lndustries(Group)General Corporation.The Factory stands at the"golden triangle"belt of Chang-sha,Zhuzhou and Xiangtan.The transportation is very convenient with Beijing-Guanzhou railway and 107 national road passing by.The Factory which covers two hundred and eighty thousand square mertes,has one hundred and seventy million Yuan's fixed assets.since the early 1980s,it has foreseen the prospect of domestie internal combustion engine and made technical communication and cooperations with international wellknown companys,nation science researching or-ganizations and institutions of higher learning,and imported a complete set of piston designing and manufacturing technology,processing equip-ments and inspection instruments from MAHLE Co.in Germany.In order to meet the demand of the market,in the middle of the 1990s,factory has successively imported three CNC dingital control oval lathes,two CNC digital diamond boring lathes,a vacuum direct spectrum meter and inspecting instrument possessing modern advanced techonlogy level from Germany,America,Italy,Switzerland,etc.to expand the annual output of piston.Factory has a group of senior special engineering technicians and skilled working staff who had been trained in Germany,America,Italy and switzerland for the purpose of studying the producing technology of pistons with the effort of the researching institute and producing yard on desingning products,and developing new thchnology,The Factory has manufactured mord than thirty series,sixty kinds of pistons.The annual output is about 3.5million pieus pistons with the diameter from f50mm-250mm.Up to now,it has developed many complicated pistons with high precision and high speed,such as pistons with barrel variable elliptical shape,with cone pin hole,with hard anode oxidation coating,with graphite coating skirt,with internal cooling oilway and with Oersted wear-resisting inserted ring,liquid-state extrusion pistons,forged pistons,combination pistons,electron beam welding pistons,compound pistons and other kinds of pistons.Some of the pistons has reached the international advanced level.The piston is made of cocrystal or over-cocrystal aluminium-silicon alloy.Factory enjoys high prestige for its strong technical force and advanced equipments.