Drainage Boards which are covered with heating bonded long fiber nonwoven geotextiles are a kind of geosynthetic products mostly made of polypropylene or HDPE. Tinhy’s drainage materials are applied in many transportations, mining, infrastructure, and waste management projects, such as tailings, roads, buildings construction, and landfills, etc. We mainly focus on producing and supplying drainage nets and drainage sheets in the line of our drainage materials. What’s more, Tinhy is a genuine geosynthetic products manufacturer and you can get most of our geomembranes, geotextiles, or drainage materials at more reasonable prices.