1 High Flow Capacity, 2.Corrosion Resistant, 3.Low Installtion costs, 4.Long service life, 5.Environment-friendly We specialized on PVC-U drainage pipe, High Flow Capacity, Corrosion Resistant, Low Installtion costs, Long service life, Environment-friendly are the advantages of our products.It is widely used in: Soil and waste discharge pipelines(low and high temperature) inside building, ...