... Features: 1) Materials: ductile GGG40-GGG60, gray iron, alloy casting 2) Meets ISO standards 3) M Features:1) Materials: ... standards of ANSI/ASTM, BS, DIN, NF, JIS, GB4) All kinds of valve parts, fittings, automobile parts, mechanical parts, alloycastings ... ) We can produce according to customers' drawings, materials, and samples6) High quality and competitive price7) OEM service available upon request