Feng Zhu

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. .

Beijing Zhongrong Yinli Technology Co., Ltd. engages in the sale and maintenance of mechanical equipment. The company was founded on April 10, 2012 and is headquartered in Beijing, China.

QT Interactive Co., Ltd. engages in the provision of data center related products and package engineering design and construction services. Its products and services include internet technology server, storage, and cloud computing platforms; and enterprise network switch data center, routers, wireless local area network accessories, firewalls, and access network supporting facilities. It also offers telepresence and video terminals and network; intelligent video surveillance codec and high definition network cameras; unified communication application, gateway, and terminals; contact center applications; and queuing machines. The company was founded on July 17, 2014 and is headquartered in Shenzhen, China.