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All the composite (FRP/GRP) manhole covers are manufactured according to BS-EN124 and approved by SGS
Our composite (FRP/GRP) manhole covers are strictly produced according to BS EN124 and have obtained various kinds of certificates. Now, our composite (FRP/GRP) manhole covers not only have a good market at home, but also sell to more than 40 countries.
Our company set up a “Huan Province Composite Materials Engineering Technology Research Center” with the National University of Defense Technology, which has abtained more than 20 national patents, providing strong technical support for the subsequent development of our company
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