yuyao yijing electron co.,ltd. is a member of China Mould Association,which specialized in mould repair machinery and ultrasonic molud polishing machinery.　　With hard working and developing for more than ten years,we have had rich technology power ,advanced equipment and perfect test method.We can provide you with products of high quality and good service after saling.Our main product series ultrasonic mould polisher are sold to many cities of china and countries&districts of Southeast Asia,and have enjoyed high reputation from our users.