our size is from DN50mm to DN4000mm. Pipe length 6m, 12m Lianyungang Lianxin Glass Reinforced Plastic Co., Ltd., ... FRP pipeline, sand-filled pipeline, insulating pipeline, wear-resistant pipeline, flue gas desulphurization FRP device, FRP storage tank and FRP fittings ... insulating pipeline takes lead in domestic china Its FRP bubbling pipe is praised as the first brand of china. Lianxin has ...