540PC COPPER WASHER ASSORTMENT 1.factory price 2.sample free 3.quick delivery 540PC COPPER WASHER ASSORTMENT1. all kinds of copper gasket ,widely used ,good in quality with favorable price2. has good jointing and sealing performance3. no leakage4. working pressure: 800 Celsius5.copper gasket is used in machinery field6. it is suitable for using on the flange pipe of high pressure and high ...
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