.It is mainly used for the transportation of high pressure or corrosive gas ,and is widely used in the machinery ;coal mine, oil, chemical, agriculture irrigation ,gas and building.Click here for more information

.It is mainly used for the transportation of high pressure or corrosive gas ,and is widely used in the machinery ;coal mine, oil, chemical, agriculture irrigation ,gas and building.Click here for more information

... Click to read more

Others news: