Supply porous round plastic blind ditch plastic blind ditch, culverts, culverts, tunnels blind ditch plastic blind ditch known as underground drain, culvert, etc., is made of plastic wrap cloth outer core group type. Plastic core is a thermoplastic synthetic resin as the main raw material, through modification, in the melt state, extruded through the nozzle thin plastic filament, and then extruded through a molding apparatus plastic wire welded to the node to form a three-dimensional network structure. There are many forms of plastic core structure rectangle, rectangular hollow, double hollow rectangular, circular, hollow circular, circular, etc. porous. 186 = 0379 == 3535 Chiang Technology drainage Pipe, perennial supply of major high-speed railway tunnel engineering, received praise, enthusiasm and look forward to your call to ensure quality and cheap plastic blind ditch application main role is a row of soil seepage. To reduce groundwater pressure, remove excess moisture, protecting soil and buildings will not produce seepage deformation and damage. Widely used in highways, tunnels, embankment, slope, power plant ash coals Hom, water conservancy dam, river, playground, underground landfill infrastructure, construction of filtration drainage. Plastic blind ditch, culverts, culverts, tunnels blind ditch