As a fully owned subsidiary of CRRC Qishuyan Institute Co., Ltd, ChangzhouCRRC RuiTaiEquipment Technology Co., Ltd. has mainly engaged in the R&D and industrialization of track maintenance, miningand intelligent integrated equipment.The company is the earliestenterprise engaged in R&D of large track maintenance machinery inChina, leading the industry in China.At present, the products cover large track maintenance machinery products(tamping units, stabilization units,axle gearboxes and rail welding machinery), medium and small-sized andintelligent integrated equipment(rail tractors, rai1 flaw inspection carts),mining machinery products.