Mkulu - kalasi kupondaponda mbale kukongoletsa: mkulu - kalasi sitampu yokongoletsera mbale ali mu mbale zosapanga dzimbiri zitsulo ndi mawotchi zipangizo embossing processing, kuti pamwamba pa mbale kuoneka concave - otukukira m`munsi chitsanzo.
Mwachitsanzo: yaing'ono cheke njere, diamondi cheke tirigu, mtundu chitsanzo, mtundu bwalo njere ndi zina zotero.
Mosiyana ndi ndondomeko etching bolodi, mkulu-kalasi kupondaponda kukongoletsa maluwa bolodi ndi njira processing thupi, pamwamba adzakhala ndi concave ndi otukukira pansi kumverera, ndi kumverera bwino azithunzi-thunzi atatu ndi kukana kukangana, ambiri ntchito kupanga zosapanga dzimbiri chitseko mbale, zosapanga dzimbiri odana Wopanda zitsulo, zosapanga dzimbiri tebulo tebulo mbale.

Zambiri zochulukirachulukira zitsulo zosapanga dzimbiri chonde pitani: https://www.hermessteel.net