Tenghua Railway Material and Fitting Factory of Xingtai City , a wholly owned enterpaise , was founded i n2003, it is one of the appointed manufacturers of ministry of railways in china .our main products include various locomotive, automobile and engineer filters , monolithic side walll of the fiters , spindle head grounding devices, silicon insulators , traction motor ventilation tubes, wheel shaft cores, transmission gears, upper equipments, lower equipment, axle-box drawbars, pushrod assembly.showong the power valve and seat, piston pin, other mechanical products, rubber prodcts and so on . our factory has advances production and test equipments , NCvulcanizing machines, milling machines, end edging machines, butt-welding machines, paper cutters, and other advancse production equipment . our products conform to requiremants of railway standars and technical document, and have passed the ISO9001:2000 quality management system certification.</p>