... ,NF,JIS,ISO 4.Sand Casting 3.ISO9001:2000 Ductile iron sand casting, Steel casting, Sand casting:1.We are manufacturer specialized ... in producing casting products, mainly products: Iron casting, Aluminum casting, Steel casting and ... ,80-55-06,80-60-03;DIN-GGG40,GGG50,GGG60,GGG70;JIS-FCD40,FCD50,FCD60,FCD70;BS-Gr370-17 ...