Cover size:500x650mm Clear Opening:450x600mm Frame size:600x750mm Application: Sidewalk, uptown, Garden, Underground parking Advantage: 1.Environmental protection With raw material non-toxicity, it will not influence to user. 2.Competitive p...
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1. Strong anti-theft performance: The resin composite manhole cover is made of unsaturated resin, glass fiber and other materials and steel frame by special production process. After high temperature grinding and molding, the material has no...
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