... materials. Geomembrane mainly divided into LDPE geomembrane, ,HDPE geomembrane, EVA geomembrance,ECB geomembrane,PVC geomembrane and all kinds of composite geomembrane (1textile ... or waste dregs disposing field. River bank , lake dam, mine remainings, reservior, tunnel, liquid storage pool( ... The plane direction laying of dam,the vertical direction laying for groundsill,used in the construction fence ...