Plastic blind ditch is wrapped in plastic core coated non-woven fabric is made in vitro. Plastic core is polypropylene as the main raw material, after modification, in the melt state, extruded through a nozzle thin plastic wire, then by forming the extruded plastic wire means the junction point welding to form a three-dimensional reticular tissue groove wood. Uses: used in highways, tunnels, embankment, slope, water dams, river, playground, landfill filtration drainage and other infrastructure. My company specializes in the production of plastic blind ditch, interested, please contact me, Company website: http://www.shiditg.com/