Li Changchen: Chief Engineer
Li Changchen graduated from the Shandong Institute of Building Materials in 1996 and majored in Polymer Materials and Engineering in the Department of Applied Chemistry.

Qin Xiaodong, Deputy Chief Engineer and Senior Engineer
Qin Xiaodong graduated from the Engineering Institute of the East China University of Science and Technology in 1983 with a Bachelor Degree and majored in Water Treatment.

Wang Feng: Technical Director
Wangfeng graduated from Ocean University of China in 2004 with a Bachelor Degree and majored in Environmental Engineering.

Wang Lei: Deputy Technical Director and Master of Engineering
Wang Lei graduated from the Resource and Environmental Engineering Institute, Ocean University of China in July 2008 with a Bachelor Degree of Engineering and majored in Environmental Engineering; And graduated from the Resource and Environmental Engineering Institute, Shandong University of Technology in July 2005 with a Master Degree of Engineering.

Hu Zhiqiang: Deputy Technical Director
Hu Zhiqiang graduated from Qingdao University of Science and Technology in 2008 with a Bachelor Degree and majored in Environmental Engineering.

Wang Lincheng: Chemical Engineer
Wang Lincheng graduated from Qingdao University in 2007 with a Bachelor Degree and majored in Applied Chemistry.

Jing Chao: Chemical Engineer
Jing Chao graduated from Qingdao University of Science and Technology in 2005 with a Bachelor Degree and majored in Applied Chemistry.