The corrugated metal gasket is made with a specific processing technology, molding or lathe cutting into the wave-shaped pads that can increase the inner, outer ring or outer ring positioning. Paste the surface of flexible graphite, high temperature, low temperature resistance, corrosion resistance and good compression resilience, applied to pipes, valves, pumps, pressure vessels, heat exchanger, tower, manhole sealing parts such as flanges. Material: A3, 304,316,316 L, etc..