Wen Qiang Dong

Shanghai Tanda Railway Vehicle Seat System Co., Ltd. engages in the manufacture and sale of transportation seat systems. Its products include first and second class seats for high speed electric multiple unit trains, and lateral seats for intercity and maglev trains. The company was founded on December 16, 2004 and is headquartered in Shanghai, China.

Jiujiang Sun.King Technology Co., Ltd. engages in the research and development, production, and sale of rectifier equipment. Its products include intelligent and saturated reactor steady flow control devices, high-power and hierarchical diode rectifiers, high-power and hierarchical thyristor rectifiers, horizontal and high- power rectifiers, self-supporting and high-power rectifiers, and fieldbus large-scale rectifying and intelligent network monitoring systems. The company was founded in 1968 and is headquartered in Jiujiang, China.

Shanghai Tanda Rolling Stock Seat System Co., Ltd. engages in the manufacturing, sales, and maintenance of transportation seat systems. The company was founded on December 16, 2004 and is headquartered in Shanghai, China.