Bao’an District, Shenzhen City, the transformation involves 180 drainage neighborhoods, including 135 industrial areas, 27 public construction areas and 18 residential areas. The main construction content: industrial area, public building area, residential area to build a new rainwater pipe 58km, sewage pipe 59km, rainwater nullah 10km, building risers 177km. HENAN BINGO provide PVC-UH low-pressure sewage drainpipe DN200-DN630
