On January 5, 2017, Party Secretary Wang Hao (second from the left), Mayor Zhou Lianhua (first from the right), and County Party Secretary Wang Yipu (second from right) lined up more than 30 people. Accompanied by Chairman of Chai Wen and General Manager Yan Yonggang, they visited the rubber stopper. The three workshops annually produce 1 billion biological plugs for technical transformation projects. Wang Shuji fully affirmed the project transformation.