浙江寧波供應(yīng)安徽天津香港河南四川重慶貴州塑膠優(yōu)特鋼材料P20,8407,8402,s136h,S136,718HH,718,618H,618,FDAC,SKD61,DAC,NAK80,HPM5,2344ESR,2344,2343,2316ESR,2316H,1.2316,2083ESR,2083,1.2083,2738HH,2738H,2738,2312,2311塑料模具鋼材料。