Our grey cast iron pipe fittings are in accordance with the standards: GB/T 12772, ISO 6594, ASTM A888/CISP 130, BS EN877, KSD 4307 etc. Through lost foam casting process, we produce cast iron soil pipe fittings such as elbows, tees, cross and so on. GB/T 12772, ISO 6594, ASTM A888/CISP 130,BS EN877, KSD 4307.
