PN10 PN16 Slip On Flange factory
304 stainless steel flat welding flange welding device is easy to align, and the device is simple and convenient;
It is widely used in many industries, such as metallurgy, machinery, chemical industry, petroleum, machine tool, water conservancy, construction, engineering, shipbuilding, environmental protection, coal, agricultural machinery, food, boiler and pressure vessel, etc;
