The general manager Mr. YU Jingyuan has visited main customers in Japan recently, including IHI headquarter in Tokyo, IHI  foundry, ICM; IK and SEISA, etc. Mr. YU communicated with related customers about insufficiency through the delivery process and new products development in an extensive way. He said, we benefited greatly by this trip to Japan, understood the field management and quality management better after visit and study, which had strong theoretical and practical significance for management improvement.