Dong Fang Jiang

Hubei Tri Ring Complete Industry Co., Ltd. engages in the business of metal materials and machine tools. Its business scope includes wholesale and retail of metal materials, non-metal materials, machine tools, mechanical and electrical products, automobiles, auto parts, construction engineering machinery, electrical machinery and accessories, construction materials, instruments, and hardware; and mechanical and electronic product technology development and information services; machinery manufacturing; coal and coke management; and sales of industrial oil products. The company was founded on April 24, 1997 and is headquartered in Wuhan, China.

Wuhan Kingold Jewelry Co. Ltd. engages in the manufacture and sell of jewelries. Its products include platinum, gold, silver and diamond jewelry. It also engages in the research and production of raw and auxiliary materials. The company was founded by Zhi Hong Jia on August 2, 2002 and is headquartered in Wuhan, China.

Tri-Ring International (Germany) GmbH is a company based in Germany that provides research and development services. The CEOs of the private company are Jian Shu, Yuehua Yang, Hansheng Mei.

Fabryka Lozysk Tocznych - Krasnik SA engages in the production and sale of rolling bearings. It offers ball, cylindrical, and tapered bearings as well as bearing components. The company was founded in 1938 and is headquartered in Krasnik, Poland.

Hubei Tri-Ring Capital Management Co., Ltd. engages in the entrusted fixed asset management activities. Its business scopes include investment management, project investment, and investment consulting services. The company was founded on September 18, 2015 and is headquartered in Wuhan, China.