... process precision flat fear, columned gear, screw gear and worm wheel shaft. High static rigidity,dynamic rigidity,and rotortion rigidity.Precise ... 's inner oil chamber should be added new oil slide after using exhausted , Afore adding new oil slide, keep vent valve 's ... is for absolute cleaning inner storing fee-oil , then adding new oil slide ,for the specification is 'Mobi11405'. 3.Leather Belt ...