Thank Heilongjiang friends for visiting Innovation pipeline official enterprise website! For many years, Heilongjiang Transmission joint Expansion joint regional product service provider--Zhongyuan valve fittings Heilongjiang overseas customer service station 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!