QQ: 2013044257 Tel: 15333383687 landline: 0318-5822324 Hengshui City Value Optical Engineering Rubber Co., Ltd. specializes in producing bridge Prestressed plastic corrugated pipe, prestressed metal bellows, ultrasonic test tube (Acoustic Pipe), embedded ground Bolt foot corrugated tube, pipe, flat tube, bridge expansion joints, rubber ...... complete model specifications, quality assurance! ! ! The company has passed ISO9001: 2000 international quality system certification, product widely used in bridges, roads, concrete works! ! ! Prestressed plastic corrugated pipe is a new type of porogen, compared with prestressed metal bellows, it has the following advantages: prestressed plastic corrugated pipe is a continuous extrusion molding, sealing, no water seepage plasma leakage phenomenon. 2, prestressed plastic corrugated pipe raw materials hdpe, acid corrosion, anti-aging, never rust. 3, prestressed plastic corrugated pipe with steel cable friction coefficient is small, only 0.14, which can effectively reduce the tension in the process of prestressed friction losses. 4, prestressed plastic corrugated pipe is flexible, high stiffness, not afraid to step on the pressure, can not easily be broken tamper chisel. 5, pre-stressed plastic corrugated pipe is not conductive, can prevent stray current corrosion. 6, prestressed plastic corrugated pipe bending degree, easy connection, can greatly improve the efficiency of construction. These are the details flat prestressed plastic corrugated pipe, if you prestressed plastic corrugated pipe flat price, manufacturer, model, pictures have any questions, please contact us for the latest information on flat prestressed plastic bellows. Our Service: Our company strictly in accordance with ISO9001: 2000 quality management system and production, and therefore reliable product quality, according to the National BG / T3013-94 standards, product guarantee period of six months, my company to meet the requirements of your side , especially the guarantee period extended for one year. Our implementation of comprehensive service for users, in order to solve the user's worries, we have established a special after-sales service network, through my company set up in major cities directly under the operation of the network and services to ensure the "three guarantees" service. We are also in the process of using some of the potential failure 仩 products to ensure the normal use. In order to ensure timely service, product quality if a problem occurs, received 3 hours after users complained to respond, in general, customers within 400 km, a 24-hour service in place; 800 km in less than 72 hours in place, and busy resolve user using a variety of technical problems encountered.