Dear Marseille [Expansion joint] customer, thank you for visiting Innovation pipeline official enterprise website! Over the years, Marseille Marseille Expansion joint Expansion joint regional product service provider Zhongyuan valve fittings enterprise internet publicity site has insisted on taking research and development as the basis of survival, and has continuously improved the application of new technologies in [Expansion joint] products! Enabling Chinese products to benefit the world！ 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 first-hand information!