Muaj ntau ntau hom kev kho qhov muag dig muag rivet xws li:
● Galvanizing (piv rau ib puag ncig tus phooj ywg, tsis yog ib puag ncig, zoo tib yam thiab xim zinc) cov nqi sib txawv heev.
● Cov xim ci (tseem muab faib ua qhov zoo thiab qhov tsis zoo)
● passivation
● Nickel plated
● Rhombus
● Kev kho mob zoo
Post lub sij hawm: Jun-08-2022