Initiated by the former China Railway Locomotive & Rolling Stock Industrial Corp., South Huiton Co. Ltd. is a public company with high and new technology, which was founded by restructuring Guiyang Freight Car Works through raising funds. our company belongs to the CSR.We have passed the certificate of ISO9001(quality system certificate),ISO14001(environmental management system) and OHSAS18001(GB/T28001)(occupational health and safety management system certificate) Our company has an annual comprehensive capacity of overhauling 6,000 and manufacturing 2,000 various freight cars, it's the only freight train repair base of southwest area of China and also it?? the important locomotive vehicle accessories manufacture base of the railway transportation .
Spring is one of main products of our company, we have an annual capacity of 15,000 tons
(about one million sets) of helical springs, we are specialized spring-manufacturing center
designated by the Ministry of Railways, P.R. China. We have five flow production lines, and our products relate to railway field,engineering machine field and automobile field and so on. there collocated the following produce equipments:3 imported auto-coiling machines which controlled by computer,3 mould-coiling machines, 5 sets of Medium-frequency induction heating equipments,5 heating furnaces,7 material-end-grinding machines,4 NDT machines, more than 20 spring endsgrinding machines,3 shot-peening machines and 2 painting line and so on.and there has the following test equipments:fatigue testing machine,loading test machine,transversal displacement and rigidity test machine and so on.we have adapted the requirements of ??ise speed and overloading" of railway and the requirements of the international market.

Main products: electric locomotive spring, subway train spring, diesel locomotive spring,
Europe locomotiveand passenger train spring, north American couple carrier spring, north
American freight buffer spring, bogie spring ...