The grey cast iron straight pipe produced by centrifugal technology are mainly used in drainpipe through a flexible linkage, which has been past the test of the Hebei Institute of Products Quality intendance and Inspection and the provincial appraisal and has supply the provincial gap. The product has totally get the standards, ISO6954, DIN19522/EN877,GB12772,ASTM-A888, CISPI301,and DS D4307, and has the following advantages: flat and straight, even pipe wall, high strength and density, high smoothness on the inner and outer surface of the wall, no defects in foundry, easy installation, easy maintain, long life ,helpful to environment, fireproofing and no noise.

The pipe fittings produced by our company has smooth surface, high density, no white month, and high strength, which can be used to produce DIN19522/EN877, ISO6594,GB12772, ASTM-A888, CISPI301, and DS D4307standard products, the 2000edition of the DIN19522/EN877 is administered, which is the modified edition of the 1993 edition with some shortcoming. The 2000edition has the following characteristics: light weight, reasonable design in structure, beautiful externality, easy linkage and installation, and is extensively used in high building with high grade. The paint used in the coating part is environmentally sound, strength, corrosion-resistant,  and totally meet the need of the EN877.

The high strength pipe hoop designed by our company, uses the vast iron as the raw material and has rubber in its inner surface.