Zhen Hua Ma

Qingdao Weiheng International Supply Chain Management Co., Ltd. engages in supply chain management; trading of building materials, coal, coke, iron ores, iron ore fines, iron power, steel, crude iron, steel billets, machinery equipment, feed and feed ingredients, cotton, pulp, non-ferrous metals, plastics and plastic products, as well as rubber; international trade, re-exportation, and domestic trade; import and export of goods and technology; provision of storage and logistic services; network construction and maintenance; development of computer application systems; development and consultation of environmental governance technology, environmental engineering design; as well as consultation of economic information and entrepreneurial information. The company was founded on January 17, 2018 and is headquartered in Qingdao, China.

Shijiazhuang Huijin Supply Chain Management Co., Ltd. engages in the provision of supply chain management. Its business scope includes supply chain management; sales of building materials, mineral products, steel, pig iron, billets, machinery and equipment; proprietary and agency import and export of various commodities and technologies; website construction and maintenance; computer software development; and economic information consulting. The company was founded on June 17, 2019 and is headquartered in Shijiazhuang, China.

Handan Zhaotong Supply Chain Management Co., Ltd. principally engages in supply chain management. It purchases and sells environmental protection equipment, industrial and mining equipment and accessories, building materials, coal, coke, steel, and iron ore. The company was founded on December 3, 2001 and is headquartered in Handan, China.

Hebei Delannite Mechanical & Electrical Technology Co., Ltd. engages in the research, manufacture, sale, and maintenance of public safety equipment. Its business scope includes research and development, production, sales, and maintenance of mechanical and electrical equipment, and social and public safety equipment and devices; design, processing, and sales of machinery and metal products; and repair of mechanical equipment. The company was founded on July 31, 2014 and is headquartered in Shijiazhuang, China. .