... producing this kind of casting are very mature, including material control, quality inspection. We provide material certificate with heat for ... ironEuropean standardGerman standardEN 1563DIN 1693EN-GJS-350-22-LTGGG-35.3EN-GJS-400-18-LTGGG-40.3EN-GJS-400-15GGG ... , casting and forging parts, engineering goods, etc.5. Quality control following 3 phases of thorough inspection, first-off inspection, during ...