... 5130, JIS SCr430, DIN 28Cr4(1.7030), GB 30Cr(A/E)1. Relable leader in Special Steel products2. Competitive price3. The ... defence, army, aerospace and electronic information.ADD:South of West Ma Gezhuang village,South of Shuangqiao Train Station,Chaoyang District,Beijing ... 5130, JIS SCr430, DIN 28Cr4(1.7030), GB 30Cr(A/E)