Taiyuan railway rolling stock co., ltd., can provide locomotive, railway wagon and railway engineering work vehicles in china.besides railway vehicles, we can provide almost all kinds of railway parts, railroad parts, railway wagon parts or railway castings made by casting process or forging process through its own manufacturer workshops or its close cooperative factories. The material of these railway castings is mainly carbon steel or stainless steel or adi-austempered ductile iron and they are casted by arc furnace through resin sand casting process or lost wax castings. These railway wagon parts include axle box, railway coupler, railway bogie, bogie bolster, bogie frame, brake shoe pad, motor housing, coil spring , coupler yoke , draft gear , etc. material: various steels and irons, and other materials.Standards: gb, tb, , en, aar and so on