TX ROLLER sawv cev rau qhov zoo tshaj plaws rov qab cov menyuam los pab peb cov neeg siv khoom hauv kev pab ua kom lawv cov nroj tsuag / kuv / chaw ua haujlwm tau zoo, nyab xeeb thiab tsim tau.Rov qab Roller Advantage: Tus nqi sib tw;Triple labyrinth foob;Kev cai hmoov coated.Ntim rau lub neej pob bearing;Hloov cov menyuam sib dhos;Kev saib xyuas dawb ntim pob bearing;Lub neej ntev tshaj 20,000-25,000 teev;JIS, CEMA, SABS, AS txheem rov qab cov menyuam muaj;Cov khoom muab ntawm 450mm-2800mm siv ...