Expansion Joint Description Product NameBELLOW EXPANSION JOINT TypesJDZ/JWY/JDH/JJL/JJH/JWJ single or double ripples MaterialBody --carbon steel /bellow-304/316L TestChemical Component Analysis, Mechanical Properties and other inspection Third InspectionBV, SGS and KRT etc. PackagingWooden pallet or wooden case Ripple compensator, also called expansion joint customarily, or expansion joint.It is composed of bellows (an elastic element) and end pipe, bracket, flange, catheter and other accessories. Mainly used in a variety of pipelines, it can compensate the thermal displacement of the pipeline, mechanical deformation and absorption of various mechanical vibration, to reduce the Diameter Control TECHNOLOGY ADVANTAGES --- We are a innovation-driven company, we have five patents and another 13 patents will be expected to get in short months. --- we are willing to develop all new material only if it's required in application. --- Advantage technology in composition control, especially carton steel. --- All our technology innovation only for one aim--- the best quality, even that means a higher cost and lower production rate. WHY CHOOSE US ? 1.We are the biggest facrory of carbon steel pipe in Hebei province ,china. 2.Quality Control through the whole Manufacturing process. 3.General Inspection before Packing. 4.Our pipes are all passed ISO 9001. 6.Many other Designs for you to choose and we can Accept minimum order. Your interests can be fully Guaranteed. 7.After you make order, we will Follow up the whole process and Update it to you. Collecting goods, Loading containers and Tracking goods transport information for you. 8.Any of our products you are interested, or any customized orders you wish to place, any items you want to buy, Please let us know your requirements. Our team will do our best to Help you. FAQ: Q: Are you a manufacturer? A: Yes, we are a manufacturer, We have own factory, which is located in TIANJIN,CHINA. Q: Can we visit your factory? A: Warmly welcome once we have your schedule we will pick you up. Q: Do you have quality control? A: Yes, we have gained API, ISO authentication. Q: Can you arrange the shipment? A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.Expansion Joint website:http://www.zhendapipes.com/expansion-joint/