Zhang Yun earned his bachelor’s degree in casting technology at Huazhong University of Science and Technology in 1988. After graduation, he engaged in the investment casting processing technology in Wuhan Investment Casting Company. From 1992 to 2003, he worked at Wuhan Institute of Mechanical Technology and served as the director of the Investment Casting Technology Division. In 2002, he founded Wuhan Zonking Metal Products Co., Ltd.(now renamed Wuhan Zonking Tech Co., Ltd.) and served as general manager. Now, Mr. Zhang is the vice secretary-general of China Foundry Association and also the secretary-general of Investment Casting Branch Association.