Qhov no SHIMA SEIKI Cov Menyuam 189mm yog ua los ntawm cov khoom zoo aluminium alloy nrog raj txheej aluminium oxide.Cov xov paj kev sib txhuam cov menyuam muaj kev tiv thaiv zoo li qub, hnav-tiv taus thiab tiv thaiv corrosion, qhov tseeb ntawm cov xov paj pub tau zoo heev.Thaum lub sijhawm pub mis yuav nyob ntawm 8000 RPM (sib npaug rau 15 meters / thib ob), peb lub qhov muag liab qab tsis tuaj yeem xav tias nws tig.Dhau li ntawm, peb kuj muaj lwm hom kev sib txhuam cov menyuam rau koj xaiv.OEM tau txais, pls xav tias dawb xa tuaj rau peb koj xav tau lossis tsim.