Muaj ntau txoj kev ua cov xim tsis muaj zog steel fasteners

Stainless hlau fasteners yog nce siv nyob rau hauv txhua hnub ntau lawm thiab lub neej.

1, qhov xim dawb xim ntxuav hniav dawb;

2, iav tsom iav ci;

3, deg xim.