Dingsheng Pipe holds itself to the highest quality standard that control everything from incoming raw material to final factory production and delivery, ongoing research and development have result in a variety of new products that meet the demands of geotechnical engineers and project specifiers. The products includes the large diameter HDPE/ PVC pipes and fittings for high pressure rate, like PN20, and PN25, could be used for many applications, minging, water supply, drainage, chemical and industrial etcs. We are not only the manfactuers of plastic pipes and fittings, also the solutions provider and plastics experter, will continue to provide you with high quality products and excellent services.