The metallurgical industry cold shear cutter BR> cold in the metallurgical industry on the cutting tool materials and security company workers University authorized common experts in the research and development, using ASTM standards and 430 series Cold-branded high carbon tool steel basis, improved through the development of chemical composition of a new generation of optimization coldwork tool steel, tool wear resistance, toughness, corrosion resistance, cutting, Life has improved significantly. To better meet the needs of clients.