Leadrun founded in November 2006 which is the secondary subsidiary of CRRC and high-tech enterprise in Jiangsu province. The products cover rail transit, construction machinery, mining machinery, wind power machinery and other industries. And it has become a well-known high-end steel casting research and manufacturing base in East China. High-speed railway is the golden name of China's manufacturing. Cast steel brake disc, sealed coupler, alxe box body and other products produced by leadrun are the key parts to ensure the continuous safe and efficient operation for high-speed trains. The brake disc and automatic hook body have won the gold award and the special award of gold ward of high quality in 2018 and 2019 respectively. Leadrun has passed quality system certification ISO9001, ISO/TS22163 and EN15085. It comprehensively promotes ERP-SAP management system, lean production, TPM management, standardized operations and provide customers with advanced, mature, reliable and economic high-tech products.