Our YINGFAN composite geomembrane is made by heat-bonding nonwoven geotextiles to geomembrane sheets. This composite has functions and advantages of both geotextile and geomembrane. The functions include drainage, separation, waterproofing, reinforcement and protection. Geotextile unit weight ranges from 150gsm to 400gsm and geomembrane thickness ranges from 0.25mm to 0.8mm.