Cast iron pipe and fittings according to en877/19522 standard, pipes are produced by centrifugal casting line, and fitting with sand casting or percolated sand process. They are mainly used in drainpipe. The following benefits: flat and straight, even pipe thickness, high strength and density, high smoothness on the inner and outer surface of the wall, easy installation, easy maintain, long life, helpful to environment, fireproofing and no noise.