Dear Pontarenas [Expansion joint] customer, thank you for paying attention to Innovation pipeline official enterprise website! Over the years, Pontarenas Transmission joint customers trust enterprises Zhongyuan valve fittings Pontarenas Expansion joint international customer site has focused on R&D and innovation, and constantly improved the application of new technologies in [Expansion joint] products! No matter where you are,we are your most reliable 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!