Industrial Knives -Big Circular Knives
Jan 10, 2007
Material:We choose high-quality steel material, like:alloy steel, SKH51, SKD11, SKS7, SK2, Cr12Mov,
H13, 9Crsi, 6 CrW2Si, W6Mo5Cr4V2, YG8, YT15, P20, K30.
Heat- treatment:Use Germany Ferotec Company's high-temperate vacuum treatment to ensure.....