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  • Product Type: Company Honor

  • Product Type: Business license anti-shock and anti-beating covers-the only one company in China has such patent for ductile iron manhole cover

  • Product Type: Anti-vibration and anti- noise which can be opened flatly

  • Product Type: A connection assembly of drainage pit cover

  • Product Type: Self-locking and anti-noise ductile iron manhole cover

  • Product Type: When producing ductile iron, it possesses the BSI certification of the anti-burning magnesium, floating-ball technology

  • Product Type: floating-ball technology

  • Product Type: Lloyds certification of Chinese version

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