コード：JCCO

Manufacture: the material is ductile iron, the material grade is not lower than QT450-10, the iron content should reach more than 85%, the spheroidizing grade should reach more than 3, the product should not have gray, white, spheroidizing decline and other material defects. The appearance should not have cold shrinkage, cold separation, porosity, trachoma and other casting defects.

使用法：火災、給水、下水、鉱山、ガス、石油、化学物質、電力、その他のパイプラインドッキングシステムの統合サポートとサービス。