Martha M. Gerard added new article
x60 line pipe
Anti-corrosion steel pipe refers to through special craft processing, make the steel pipe has certain corrosion resistance of common steel pipe. Commonly used in waterproof, rust, acid and alkali, anti-oxidation, etc.According to different needs, both inside and outside wall x52 line pipe of steel pipe may be corresponding anti-corrosion measures. Common are: coal tar epoxy...
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