It is a professional company engaged in independent research and development of network communication gateways, embedded automatic control products and domestic replacement controllers for subways, high-speed railways, light rails and other rail transit vehicles. The company's products are mainly used in rail transit and automatic control. Among them, the company's independently developed MVB series gateways, TRDP series gateways, CANOPEN series gateways and some on-board switches have been used in batches in many domestic rail transit vehicle networks...