Yuhuan Leihe Machinery Factory is located in Yuhuan Town, Zhejiang Province, it is devoted to the development, production and sales of various kinds of ball transfer units. The product is widely used in the conveying equipments such as mechanical bearing, assembly line, conveyor and transmission of logistics industry and transmission industry. With the higher requirements of era to enterprises, ball transfer units have already been a necessary and good assistant for the high efficient developmen