MuajUa tiav:

2B etching, Daim iav etching, Hairline / No.4 Etching, thiab lwm yam

WorkingPrinciples:

Nws yog tsim los ntawm kev tshuaj ntsuam luam tawm cov tshuaj tiv thaiv acid resistant rau polished nto thiab acid etching qhov chaw tsis muaj kev tiv thaiv. Lub etching tshem tawm ib txheej nyias ntawm stainless hlau thiab roughens saum npoo.