... 3:Over 20 years in manufacturing the FRP pipes "DENGXING"GRP/FRP&FRPM pipe has excellent hydraulic and physical performance, ... and transport, and can save operation and maintenance cost.A. GRP/FRP Pipe Definition 1. Full name: Glass Fiber Reinforced ... Resin Pipe 2. Main Ingredients: resin, Glass Mat, fiberglass FRP/GRP Pipe Specifications 1. Nominal diameter: DN25mm~DN4000mm 2. Pressure range ...