1. Feem ntau, kev kho qhov chaw ntawm cov rivets dig muag yog txhuas qhov muag tsis pom rivet taub hau polishing.
2. Xaiv thiab ntxuav cov rivets dig muag uas ua los ntawm hlau tsis xeb.
3. Electroplating ntawm cov hlau dig muag rivets, electroplating yog muab faib ua ib puag ncig tiv thaiv electroplating thiab ib txwm electroplating.
4. Tseem muaj qee qhov rivets dig muag uas yuav tsum tau muaj xim, koj tuaj yeem xaiv cov xim ci lossis electrophoresis.
Lub sijhawm tshaj tawm: Lub Rau Hli-23-2022