Ling Shen

Chengdu Changtong Hongyuan Technology Co., Ltd. engages in the development and production of rail transit locomotive and rolling stock electronic control equipment, train operation safety monitoring products, locomotive & rolling stock accessories, and mechanical equipment. Its products include locomotive high voltage insulation detection subsystems, angle plug door closed monitoring modules, safety protection devices for train tail, electric locomotive roof insulation detection devices, high voltage transformers, high voltage isolation switches, universal train pipe penetration judging devices, locomotive unit air conditioners, and data dump devices. The company was founded on February 27, 2001 and is headquartered in Chengdu, China.