... appliances, electronic equipment plastic mouldNote:1. According to national standard (GB)for our products, if not, supply according ... 1.2201,1.2063...7. High Speed Steel:M2,M35,M42,T1 ,T48. Alloy Structural Steel:20Cr,40Cr, 4140/42CrMo4, ... customers. Come On, everybody. Welcome to contact us and establish mutually beneficial and long-term business relationships with us! Alloy Structural Steel 50Mn2