Peb yuav tsum paub tias ntau yam yuav tsum tau them nyiaj rau thaum cov nyhuv stamping {} Kuv tseem tuaj yeem cuam tshuam rau lub neej pabcuam ntawm stamping {}}
Cov npoo ntawm cov khoom siv hlau feem ntau yuav raug kho raws li hauv qab no
(1) nto polishing: nto polishing feem ntau yog siv rau hauv cov khoom siv hluav taws xob niaj hnub, thiab peb yuav tsum txhuam cov pob ntse heev, thiab peb yuav tsum txhuam cov pob ntse heev .
(2) xim txau txheej txheem: Lub tshuab kho vajtse kho kom nruj ua ke tuaj yeem tiv thaiv cov khoom siv hluav taws xob muaj zog los ntawm cov khoom siv hluav taws xob ..
(3) Electroplating: electroplating yog tseem muaj cov txheej txheem ntau tshaj plaws rau cov khoom siv hluav taws xob {2} Cov khoom siv hluav taws xob, cov roj teeb me me, thiab lwm yam}
