Cast iron soil pipe and fittings has long been employed by the building industry as a reliable and inexpensive drainage system, and are widely used in sanitary Drain, Waste, and Vent, sewer drainage applications. Compared with plastic(PVC) pipes, cast iron is more soild and durable. Furthemore, because cast iron has excellent noise suppression and fire resistant characteristics, and can be completely recycled, it has become every architects' choice for drainage inside the building. 1) Hubless cast iron soil pipes: Made as per ASTM A888 and CISPI 301 standard and sizes range from 1-1/2" to 10". Besides, we also do cast iron drainage pipes as per EN877 standard, sizes range from DN50 to DN300. 2) Hubless cast iron pipe fittings: For the fittings in accordance with CISPI 301 standard, we have been exporting to the west coast of America with more than 100 items and sizes, such as BENDS, DOUBLE BENDS, WYE, DOUBLE WYE, SAN TEE, VENT TRAP, etc. Besides, we can also do cast iron pipe fittings with powder varnish according to EN877 standard for the Sewage Water Systems of high buildings. 3) Stainless Steel Couplings.