Surface hardened steel, surface heat treatingchemical treating materials, copper, aluminum alloy sheet, zinc layers, chrome layers, tin layers, bearing steel, coldhard casting parts, etc.

• 表面淬火钢，材料表面热处理和化学处理，铜、铝合金等薄板，镀锌、镀铬、镀锡材料，轴承钢，冷硬铸件等。