'Silica sand filter rock' presentation slideshows

Water Permeable Bricks Used In Spongy City Construction

Permeable brick Application: Silica sand filter water brick for sidewalks, squares, corridors and other non-motorized road pavement. Pavement: silica sand filter stone, silica sand filter rock for slow lane, parking and other pavement. Ren Chong permeable water permeable water is very fast, can be achieved (780kg per hour per square meter of water). Renzheng tiles experienced Beijing 721 heavy rain test (60 years a case), 721 during the rainstorm, laying benevolent water permeable bricks of the Olympic underground square without any water.

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