Hengshui City Value Optical Engineering Rubber Co., the predecessor of Taocheng scale light Rubber Products Factory, the company specializes in the production of a bridge with a prestressed corrugated plastic pipe, prestressed corrugated metal pipe, ultrasonic test tube (Acoustic Pipe), embedded bolt corrugated tube, pipe, flat tube, rubber ...... specification is complete quality assurance! The company has passed ISO9001: 2000 international quality system certification, the products are widely used in bridges, roads, concrete works! Product Name: galvanized corrugated pipe, prestressed bellows, metal bellows material: steel, diameter 50--100mm thickness of various metal bellows and bellows prestressed concrete bridge with metal bellows 0.28mm is for road / rail bridge engineering, slope anchor spiral prestressed bellows into the hole as a new material, it has not afraid of acid, alkali corrosion, sealing, no water seepage, leakage of plasma, high ring stiffness, not afraid crushes, easy to transport, etc. stored in custody. Appearance of product quality, structure, size, ring stiffness, local lateral loads, flexibility and other technical indicators, in line with GB / T9647-2003 national standards, JT / T529-2004 transportation industry standards, our products through a national authority in the form of inspection. Prestressed concrete bridge with metal bellows with impermeability, high pressure, strength, flexibility, to ensure construction quality. Shorten the duration and other characteristics that are widely used in a variety of medium-sized bridges; large-span high-rise buildings; dams, nuclear power plants and other projects.