Hello from Franceville Expansion joint, thank you for visiting Innovation pipeline enterprise website (www.xdguandao.com)! Over the years, Franceville Transmission joint Expansion joint product supplier--Zhongyuan valve fittings has cultivated the market intensively, served the local market, and constantly improved 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 practice, please call Innovation pipeline [Expansion joint] technical engineer [ 0371-68676867] for more information!