Precast polymer concrete linear drainage channel system, u system channel 1, Flat surface and slope bottom 2, Small stru

Precast polymer concrete linear drainage channel system, u system channel 1, Flat surface and slope bottom 2, Small structure, which can help smooth the draining 3, Easy to transport and construct after high-strength and light-weight process. 4, Heat resistance, acid resistance, alkali resistance, freeze resistance and thawing capacity 5, Able to set the spot in many ways according to the length of the construction. 6, Able to adjust the slope face according to the position of the drainage hole. 7, Self-cleaning function because of the U shape and slope inside

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polymer concrete drainage channel