NI 200 yog 99.6% Cov neeg ntshiab wrought nickel alloy. Muag nyob rau hauv lub npe hom npe Nickel Alloy NI-200 muaj cov khoom siv kub, thiab cov accochloric, thiab cov actrolofrate) .it muaj kev kub ntxhov hauv cov hlau stainless