On August 21, 2012, the Deputy Secretary of Laoshan District Energy Board, Qingdao General Machinery Industry Association and the Valves Association Secretary-General and his party came to Yingli Group Valve Factory, conducted a thorough investigation and research.

During the investigation, the leadership focus visited Yingli group valve factory the finishing workshop, spraying workshop, high and low temperature test center, resistant to wear and high temperature type testing center, and other core equipment, and held a meeting with the general manager Eric, the chief engineer Yu Liang of the group. In the forum, they focusd on Yingli group currently ongoing R & D projects, research problems, research results and other aspects reported to the leadership deeply.