Technology Condition Circle swing agilely without any blocked 2.Surface treatment: Zinc plated,inner parts are full of lubricate oil 3.Precision of screw thread grades"6H" 4.Ball joint shaft:steel bearing,shaft C45 、 GCr15 steel 5.Ball joint housing;C45 6.Work on -40~120c temperature.Excellent performance 標簽:
上海市角球節(jié)
上海市角球節(jié)廠家