A geomembrane is very low permeability synthetic membrane liner or barrier with smooth surface or textured surface. It can be used solely or with any geotechnical engineering related material so as to control fluid (or gas) migration in a human-made project, structure, or system. These projects, structures or systems are distributed in a lot of applications in the fields of waste, water, mining, energy, civil, aquaculture & agriculture and private developments. Our company currently has 3 geomembrane production lines which make us to rank top 1 of hdpe geomembrane production capacity in China. Recently our company has signed a purchase contract and made deposit for 4th production line, 100% imported from Gemany, to expand our product series and meet our production demand. By June 2020, we can produce geomembranes with thickness from 0.15mm to 3mm. For 2.5--3.0mm thick geomembranes, there are few manufacturer in China.