BOYA manufactures spare parts for Sendzimir mill, include work roll, the first intermediate roll, the second intermediate roll.
BOYA analyzes and researches the situation of rolls application. Based on the material of D2, M2 and H13, we developed a new kind of material, after been heat treatment its max surface hardness can be HRC67. It is improved in aspects of wear resistant, thermal shock resistant, anti-fatigue and accident resistant. It is applied in Tai Steel, Luoyang Copper, Yongzheng Stainless Steel, Jinwei Copper, Chunlei Copper and Zijin Copper and has got good reputation