In order to promote a further improvement in product quality at 2011 year,Dipper Valve has assessment its employees’ performance in product quality among the workers who working in the production line,based on the its’ yearly wage deduction rate for quality,labor productivity,product quality awareness. At last,prized two production worker as first prize,three production worker as second prize,six production worker as third prize. The director of Dipper Valve award these technicians commendation certificate and bonus.