Tai′an Wantong mposite Material ., . Established in 2 0 1 5, is a professional manufacturer engaged in the research, development, production, sale and service of geogrid, geotextile, geomembrane, geocell, geosynthetic clay liner, geomat, geonet, drainage board, mposite drainage net, geobag, non woven fabric, tree watering bag and fiberglass chopped