KTK Group Co., Ltd. researches, develops, produces, sells, and services interior systems, electrical control systems, and vehicle equipment for high-speed trains, metro, light rail vehicles (LRV), and ordinary rail passenger cars in China and internationally. Its products include lighting, cabinets, driver consoles, diesel locomotives, special engineering vehicles, embedded channels, and platform screen door systems. The company also offers driving safety systems, intelligent control systems, body connection systems, passenger interface systems, and operation and maintenance guarantee systems for rail transit vehicles, along with electrical and network controls, battery box assemblies, through-channel windshields, interior decoration, doors, seats, lamps, integrated kitchens, integrated toilets, and high-speed railway natural disaster and foreign object intrusion monitoring systems. KTK Group has strategic partnerships with CRCC, Bombardier, Alstom, and Siemens, and was founded in 2003 in Changzhou, China.