Dear Chiang Mai [Expansion joint] customer, thank you for paying attention to Innovation pipeline official enterprise website! Over the years, Chiang Mai Transmission joint Expansion joint partner--Zhongyuan valve fittings Chiang Mai overseas product promotion website has focused on R&D and innovation, and constantly improved the application of new technologies in [Expansion joint] products! Innovation is in Innovation's DNA! 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!