Thank China friends for visiting Innovation pipeline official enterprise website! For many years, China Waterproof casing partner Zhongyuan valve fittings China Expansion joint multinational business promotion 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! Build dreams with ingenuity and create brilliance together! 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 useful information!