1.Peb txais yuav ib tus neeg archway stands rau rollers chaw nres tsheb, ntau zog thiab rigidity qauv tshaj lwm tus neeg nyob hauv Suav teb.
2.Tus kheej gearbox rau txhua qhov archway rollers teeb, kom paub meej qhov tseeb ntawm qhov profile.
3.Txhua lub tshuab tseem ceeb lub cev thiab qhov chaw yog quenched, nrog hardness ntau dua (HRC58-62) thiab hnav tsis kam, thaum lwm tus neeg muag khoom tsuas yog ntxhib steel welded.
4.Cov khoom siv rollers yog American D2 thiab D3 cov qauv, nrog rau kev pab lub neej ntev thiab tus nqi tu qis.
5.Professional Lub teb chaws Yelemees cov menyuam tsim software-Copra.
6.Long tshuab lub neej, tag nrho peb cov cav tov yuav siv tau ruaj khov kev ua tau zoo rau ntau tshaj 10-15 xyoo, thaum lwm yam me me thiab tsis zoo tus neeg muag khoom lub tshuab tsuas yog siv tau rau 1-2 xyoos.