耐热钢16Mo现货厚15CrMo,12Cr1MoV硬度加工
供应YK30冷作模具钢,42..
供应718S模具钢, 718..
日本大同DHA1热作模具钢2..
供应进口M202塑胶模具钢,..
现货DC56D+Z材质成分,..
现货规格DD54D+Z镀锌板..