Yi Zhang

Dalian Guotong Electric Co., Ltd. is a private company that manufactures and sells power electronic products. The company is based in Dalian, China. The Chinese company was founded in 2010. Hai Chun Zhao has been the CEO of the company since 2018.

Dalian Everspry Sci & Tech Co., Ltd. engages in the design, development, and manufacture of footprint recognition systems. Its products include footprint information comprehensive query mobile service system, cloud identification engine software, footprint analysis and inspection system, footprint automatic identification systems, shoe sample database application system, field footprint collection system, site footprint extraction stickers, multi-function on-site footprint acquisition system, footprint acquisition and analysis comparison system, and footprint application and laboratory management system. The company was founded on June 18, 2000 and is headquartered in Dalian, China.

B-FCTL Co., Ltd. engages in the research and development of green chemical synthesis technology. Its products include N-Methylmorpholine N-oxide (NMMO), polyurethane catalyst, morpholine, N-Methylmorpholine, N-ethylmorpholine, diglycolamine, and 4-(2-Hydroxyethyl) morpholine. The company was founded by Chun Mao Lu and Chuan Hua Yang in 2001 and is headquartered in Cangzhou, China.