Tao Lü

Shenzhen Weiheng International Supply Chain Management Co., Ltd. engages in supply chain management. The company was founded on July 24, 2017 and is headquartered in Shenzhen, 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.

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. .

Peric Special Gases Co., Ltd. principally engages in the research, development, production, and sale of electronic specialty gases and trifluoromethanesulfonic acid products. Its key products include nitrogen trifluoride, tungsten hexafluoride, and hydrogen chloride as well as new fluorine-containing materials, such as trifluoromethanesulfonic acid and trifluoromethanesulfonic anhydride. The company was founded on December 21, 2016 and is headquartered in Handan, China.