Shuang Han

Harbin Institute of Technology provides educational services. Its offers various courses through its different schools such as architecture, astronautics, chemical engineering and technology, civil engineering, computer science and technology, economy and management, electrical engineering and automation, electronics and information engineering, energy science and engineering, food science, foreign language, humanities and social sciences, law, materials science and engineering, mechatronics engineering, transportation science and engineering, science, software, new media and arts, and life science and technology. The company was founded in 1920 and is headquartered in Harbin, China.

Tubatu Group Holdings Ltd. is an investment company with interests in online marketplace and home renovation materials. It operates through the Online Platform Business, and Home Renovation Contracting Business segments. The Online Platform Business segment refers to the online marketplace to match the service provideers such as contractors, construction material suppliersm designers, and others with homeowners by providing order recommendation services, escrow payment service, inspection service, advertising and promotion services to the service providers. The Home Renovation Contracting Business segment is the sale of home renovation materials and the provision of interior design and construction sercives. The company was founded by Guobin Wang on March 21, 2011 and is headquartered in Shenzhen, China.

Gansu DX Energy Technology Co., Ltd. engages in the research, development, production, and sale of lithium ion battery cathode materials. Its products include modified lithium manganate and lithium nickel cobalt manganese oxide. The company was founded on August 13, 2003 and is headquartered in Baiyin, China.