January 01, 1970
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Mainly made of USA or Holland-imported polyaramide ( a chemical synthetic filament of the strength 10 times that of steel), used for braiding of seal packing.
Ring Joint Gasket are metallic sealing rings suitable for high pressure and high temperature duties.
Steel-lined plastic composite pipe is a kind of high-performance anti-corrosion pipeline developed in recent years, and its structure is divided into internal and external layers.
