... :stainless steel Weight: 0.84kg Surface: ZO/Polishing Tool Box Lock for truck and trailer1)Key specification Material:stainless steel color: ... ,TIG Welding,Spot Welding,Laser Welding for Different materials.4.Assembling:assembly lines for complex product5.Heat Treatment:Include quenching ... carbon steel, special steel, stainless steel, brass, bronzs ,aluminum and so on . 3)Lead time the samples will be ...