Jun Kong

CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. engages in the research, production, and sale of railway system parts and technologies. Its products include electrical products, anti-vibration products, couplers and draft gears, braking products, engineering equipment, and energy saving products. The company was founded on June 1, 1959 and is headquartered in Qingdao, China.

Qingdao Sifang SRI Intellectual Technology Co., Ltd. engages in the research, design, manufacture, and sale of new display technology products. Its products include electroluminescence displays, display driver technology products, and atomic layer deposition coating products. It also provides related technical consultation and services. The company was founded on January 22, 2018 and is headquartered in Qingdao, China.

Qingdao Sri Technology Co. Ltd. is a private company that manufactures and sells noise products, bridge bearings, and automotive vibration reduction products. The company is based in Qingdao, China. The Chinese company was founded in 2007. The CEO is Yong Ming Tang.