133 // 3528 // 7166 Jiangyin drainage board, drainage board manufacturers Jiangyin, Jiangyin garage drainage board, Jiangyin green drainage board, water board Jiangyin, Jiangyin water board, drainage board uses, roof drainage board, green roof drainage board, floor roof drainage board, green roof drainage board, the garage roof drainage board, garage roof greening drainage board, good quality drainage board, the best drainage board, build drainage board, plastic drainage board prices, drainage board manufacturers, drainage board construction procedures construction procedures plastic drainage board, waterproofing and drainage board, waterproof drainage board, water drainage board, highway drainage board, highway drainage board, drainage board railway, the railway roadbed drainage board, rail road drainage board, road drainage board, the dam embankment and drainage board, slope drains, drainage slope back board, transportation and drainage board, the Pudong New Area Municipal Drainage Board Drainage Board; Jiading District Drainage Board; Jinshan District Drainage Board; Qingpu District Drainage Board; Songjiang District Drainage Board; Nanhui District Drainage Board; Fengxian District Drainage Board; Chongming county drainage board; supply Tianjin drainage board; Heping District Drainage Board; Hedong District Drainage Board; Hexi District Drainage Board; Nankai District Drainage Board; Hebei District Drainage Board; Hongqiao District Drainage Board; Tanggu District Drainage Board; Hangu District Drainage Board; Dagang drainage board; Dongli District Drainage Board; Xiqing District Drainage Board; Beichen District Drainage Board; Jinnan District Drainage Board; Wuqing drainage board; Baodi drainage board; Chengguan town drainage board; Jinghai County Drainage Board; (Jinghai town) Drainage Board; Ninghe drainage board; (Lutai drainage board;) Jixian County Drainage Board; (Chengguan town drainage board;) Supply Chongqing Drainage Board; Tongnan drainage board; tongliang drainage board; Aikawa drainage board; Dazu drainage board; Rongchang drainage board; Beibei drainage board; Bishan drainage board; jiangjin drainage board; Banan drainage board; YuBei drainage board; Jiangbei drainage board; the south bank of the drainage board; jiulongpo drainage board; Yuzhong drainage board; dadukou drainage board; Shapingba drainage board; longevity drainage board; Qijiang drainage board; Wansheng drainage board; nanchuan drainage board; Fuling drainage board; Fengdu drainage board; Wulong drainage board; Dianjiang drainage board; Liangping drainage board ; Zhong County Drainage Board; pengshui drainage board; Qianjiang drainage board; YANG drainage board; Xiushan drainage board; stone drainage board; Wanzhou drainage board; Kai County Drainage Board; Yunyang drainage board; Fengjie drainage board; Wushan drainage board; witch Creek drainage board; port city drainage board; supply Anhui drainage board; Hefei drainage board; Wuhu drainage board; Bengbu drainage board; Huainan drainage board; Maanshan drainage board drainage board is made of polystyrene (HIPS) or polyethylene plastic plate after Stamping made cone penetration units (or hollow cylindrical porous) from the top surface of plastic cone projections access layer of filter geotextile to prevent soil particles through, thus avoiding drainage obstruction, so that smooth drainage. The traditional use of brick tile drainage as a guide filter layer, the use of more pebbles or gravel as a filtration layer, the water discharged to the designated place. Now replace the pebbles treatment layer with a drain to drain is saving time, effort and energy saving investment, but also reduce the load of the building. Build drainage board for construction landscaping market specially developed new drainage products. Green building is now a number of projects that are widely used by the State Quality Supervision and Inspection department inspection. This product has excellent functionality and drains water features, green engineering is an essential foundation material. Build drainage board is injection molded polyethylene plastic. Is a set of drainage, water storage functions in one of the new drainage material. It also has a water supply, drainage, ventilation, insulation, resistance thorn (to prevent damage to the concrete structure of plant roots) and other features. Geotextiles used together in combination, to avoid clogging the fine particle matrix storage tank and drainage channels, maintain smooth drainage and air circulation, to form a complete, the new storage, drainage systems, are widely used in city landscaping projects.