Dear Dredava [Expansion joint] customer, thank you for paying attention to Innovation pipeline official enterprise website! Over the years, Dredava Transmission joint honest cooperative enterprise Zhongyuan valve fittings Dredava Expansion joint overseas customer website has focused on R&D and innovation, and constantly improved the application of new technologies in [Expansion joint] products! Your trusted manufacturing partner. 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 to learn more new information!