Ductile iron hard-back wafer urukurubụba valvụ, ntuziaka ọrụ, njikọ bụ multi-ọkọlọtọ, jikọọ na PN10, PN16, Class150, Jis5K / 10K, na ndị ọzọ ụkpụrụ nke pipeline flange, na-eme ka ngwaahịa a ọtụtụ ebe na ụwa.A na-eji ya eme ihe na usoro ịgba mmiri, ọgwụgwọ mmiri, mmiri mmiri obodo na ọrụ ndị ọzọ.