Ding Kun Hu

Beijing Tensyn Digital Marketing Technology JSC engages in the provision of internet advertising and public relations services. Its business is divided into internet advertising and Internet public relations services. The internet advertising services business including strategy development; media procurement; advertising; website construction and creative planning; and advertising effectiveness, monitoring, and optimization services. The internet public relations services business including public relations strategy development, and monitoring and social media marketing. The company was founded on December 6, 2001 and is headquartered in Beijing, China.

Tianjin Maolian Technology Co., Ltd. engages in the production and sale of metal materials and chemical products. It provides cobalt, copper, nickel, and lithium series products. The company was founded on March 5, 2010 and is headquartered in Tianjin, China.