tuaj yeem tiv thaiv corrosion thiab tiv thaiv xeb, Ntev ntev li tshiab
Cold-rolled stainless hlau, muaj zog thiab ruaj khov
48 teev Neutral Salt Spray Test Theem 9
Nws tuaj yeem ua haujlwm hauv qhov chaw ntub dej, xav tias siv tau yooj yim
Tsis ntshai ntawm greasy thiab noo ib puag ncig, corrosion kuj
Ntev ntev li tshiab, yooj yim thiab yooj yim