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        Application

        jiejuefangan

        Automotive Industry

        Cool N seriesFuel injection system (valve tappet, plunger, roller seat, roller pin, control piston, oil needle, needle valve, etc.), power transmission system (gear, bearing, camshaft), piston components (piston ring, piston pin), door lock system (door buckle), interior decoration
        Cool C series
        Cool SP series


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