Assistant valve enterprise to win the world
DN:DN250
Class:PN1.6
Stand:GB
CHASE VALVE GROUP CO.,LTD
DN:DN50~800
Class:PN10~100
Stand:GB12234
YUMING VALVE GROUP CO., LTD.
DN:DN15~300
Class:PN16~100
Stand:GB/T12224, JB/T82.1/79.1