Sell Trench Covers, Sewer Covers, Drainage Covers, Manhole Covers, Steel or Iron

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Steel Grating is also widely used by manhole covers and sewer system. Comparing to traditional iron materiel, they are more light and can be manufactured to different specifications according to customers demand. Sepcially, hinges can be welded as parts to prevent stealing. Total cost is lower if you have specific requirements. 20 years anti-corrision by hot dip galvanizing.