If there is an order is also a mistake,then we let you wrong to the end. Thank Potosi customers for entering Innovation pipeline website! At the beginning of the establishment of the company, Potosi Transmission joint Expansion joint rest assured service enterprises--Zhongyuan valve fittings Potosi overseas product promotion station took research and development as the basis of survival and continued to improve the application of new technologies in [Expansion joint] products! If you want to know more about the application of Expansion joint product new technology in Potosi, please call Innovation pipeline [Expansion joint] technical engineer to learn more experience!