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        High Corrosion Resistant Bolts

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        High Corrosion Resistant Bolts

        High Corrosion Resistant Bolts

        Automobile customers are demanding longer warranty periods. This requires that all components including bolts have greater durability.

        One majo concern is corrosion caused by salt.SHANG-TECH anti-corrosion bolts with various surface treatment have been developed to cope with the need for more cost effective raw material alloys.We apply the most suitable surface treatment for the required quality ahd cost,selecting from a wide range of methods such as,slectro-plating with green chromate,bright chromate,and alloy plating.

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        性欧美XXXX,性欧美XXXX乳,欧美性牲交XXXXX视频