13804988348
service phone 13804988348
Z973X電動刀形閘閥
Z973HXF電動對夾式刀形閘閥
Z941電動楔式鑄鋼閘閥
Q945F、Q944F電動三通球閥
Q941電動雙偏心半球閥
J941H電動截止閥
D973H電動硬密封蝶閥
D971型電動軟密封蝶閥