The HDPE double-wall perforated corrugated pipe supplied by this manufacturer is processed with high-quality HDPE raw materials to continue the tough structure of the double-wall corrugated pipe. At the same time, holes are preset evenly distributed on the pipe wall to form a dual function of "collection + drainage" - it can not only quickly infiltrate and collect water in the soil or base through holes, but also efficiently transport water with the help of smooth inner walls to avoid local water accumulation and adapt to scenarios that require the combination of infiltration and drainage. In terms of specifications and models, HDPE double-wall perforated corrugated pipes cover 200mm to 800mm common diameter, 200-400mm small diameter is suitable for green drainage in residential areas, roof garden filtration, 500-800mm diameter meets the needs of municipal road subgrade drainage, underground garage roof water filtration, etc. Manufacturers can provide products with different perforation densities, and at the same time support the deployment of specifications according to wholesale orders to match various construction needs. The product has a wide range of use scenarios and is suitable for municipal road subgrade drainage, landscaping percolation system, underground garage roof drainage, expressway slope water filtration and industrial park site drainage, etc. It can be adapted to underground burial, sand and gravel layer laying and other environments. At present, the manufacturer supports wholesale, the price has advantages, and customers who intend to purchase HDPE double-wall perforated corrugated pipes can directly call the contact information 13339996652 consult the details.