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目前davanflowtek已创建了11篇文章.

DAVAN FLOWTEK–Not only a professional valve manufacturer

DAVAN FLOWTEK, is a professional valve manufacturer, like gate valve [...]

|2020-08-31T07:25:29+00:00八月 27th, 2020|Blog|0 条评论

How to define butterfly valve?How to classify butterfly valves in terms of structure?

Butterfly valve refers to the valve that the opening and [...]

|2020-03-07T11:57:16+00:00三月 7th, 2020|Blog|0 条评论