Features: 1) Castings of main materials: M-30C, M-35-2, M-35-1, MK-500, CY-40, CW-6MC, CW- 6M ... Features:1) Castings of main materials: M-30C, M-35 ... -2, M-35-1, MK-500, CY-40, CW-6MC, CW ... ) Sand casting: 1,000kg6) Available forms: end product or blank Butterfly Disc