... in time 3.Accept small order PMI ball screws linear guide, 1.Ball Screw introduction, Ball screw is a desired product which ... a rolling bearing from sliding action. With little friction, ball screws are widely used in various industrial equipment and precision ... according to the customers' drawings, provide design service by fixed length.Brand name: PMI ,Hiwin,ABBA,THK,NSK,TBI,KOYO,HSKApplications1 ...