Coal chemical industry:Coal chemical industry has high pressure, high temperature, high erosion, strong wear characteristics...

Silicon chemical: a valve used for conveying powder should be abrasion resistant, wearable and fast switching, frequent moves...

Iron and steel smelting: ceramic ball valve combined with the dual advantages of structural ceramics and ball valve...

Power plant desulfurization: for the high hardness of the granular medium, or both strong wear and corrosion of the medium...