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Polytetrafluoroethylene sealing belt
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Steel lining polytef composite pipe
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Oil-resistant and high temperature-resistant coating with extremely high thermal conductivity used for piston ring
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Sealing gasket
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High-strength tooth-shaped gasket
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Teflon elastic band and preparation method thereof
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High-strength polytetrafluoroethylene board
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Oil-resistant sealing rubber plate
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Composite polymer material piston ring
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