China high-speed tool steel DIN 1.3247 1.3243 1.3207 1.3348 1.3343-Dalian Yongbao New Material Technology Co., Ltd founded in1999, it covers an area of 20,000m ², construction area is 12,000m ², a private enterprise which set smelting, electroslag remelting, forging, steel rolling. Our company produces high speed tool steel, die steel, stainless steel, precision alloy, high temperature alloy, corrosion resistant alloy, welding strip, welding wire, ingot, forging, hot rolled material, cold drawn material and cobalt series (M42, M35, etc.) tungsten series (W18, W6, W9, W4, M2Al, etc.) die steel (4Cr5MoSiV1-H13Cr12M1V1, CR) 12MOV, etc.) we developed various special shaped products of HSS, widely used in sawing products, high-end wood planer blades, automotive blades, air conditioning sliders, sewing machine blades and other fields, has grown into our core products. China tool steel, China high speed steel. The company has 12 product invention patents, 4 utility model patents, 9 mold steel, tool steel production line software copyright patents, and passed the ISO-9001 international system certification in 2009.