1, etching txoj kev: qhov thiaj li hu ua etching txoj kev yog etching kev tiv thaiv kev daws, hauv kev tiv thaiv cov yeeb yaj kiab uas stainless hlau rau etch, nws yog tsim rau hauv ib qho qauv kos duab. Cov txheej txheem etching ntawm cov khoom lag luam stainless hlau: Stainless hlau khoom → expaper luam ntawv → alkali kho → oxidation xim → cov khoom tiav.
2, Txau cov xim xim: tshuaj tsuag xim duab yog kom siv cov xim luam yeeb tawm tawm tom qab kev kuaj tawv nqaij, thiab ua rau nws mus rau hauv daim duab kos duab qauv. Cov txheej txheem ntws ntawm tshuaj tsuag xim ua cov khoom lag luam ntawm cov hlau stainless
