Zhi Cheng Tang

Chengdu Jiaoda Yunda Electric Co., Ltd. engages in rail transit electrification and automation engineering technology development, technical consulting and system integration. Its products include traction substation automation system, digital traction substation, distribution automation system, metro substation automation system, power supply maintenance management information system and intelligent integrated auxiliary system. The company was founded on September 18, 2013 and is headquartered in Chengdu, China.

Sichuan Tianhong Investment Co., Ltd. is a Chinese company that provides project investment and business services. The private company is based in Chengdu, China. The company was founded in 2004.

Beijing Yunda Huakai Technology Co., Ltd. principally engages in the business of urban rail transit safety inspection. Its key products include a bow net inspection system, a 360-degree 3-dimensional inspection system for subway vehicles, and a shoe track inspection system. The company was founded on December 2, 2016 and is headquartered in Beijing, China.

Themetech Culture & Creative (Beijing) Co. Ltd. engages in the operation of cultural media. Its business scope includes corporate planning and design, organize cultural and artistic exchange activities, conference services, computer animation design, craft gift design, fashion design, stage, lighting, and sound design, computer graphic design and production, and technology development, transfer, consulting, and technical services. The company was founded on August 26, 2013 and is headquartered in Beijing, China.