The mold steel produced by Jiangsu Good-Knife Metallurgical Technology Co., Ltd.. is made of high-purity alloy steel to ensure the high hardness, high wear resistance and excellent processing performance of the material. Through advanced smelting technologies such as vacuum degassing and electroslag remelting (ESR), impurities are reduced and the purity and uniformity of steel are improved. In line with ISO international standards, the chemical composition, hardness and metallographic structure of each batch of steel are ensured to reach the industry-leading level. Provide original material certificate (MTC) and third-party test reports (such as SGS).