Inspiring progress through our passion for excellence. thank Zhanjia customers for visiting Innovation pipeline enterprise website! Since the establishment of the factory, Zhanjia Transmission joint Expansion joint rest assured suppliers--Zhongyuan valve fittings has insisted on taking research and development as the basis of survival, and constantly improved the application of new technologies in [Expansion joint] products! If you want to know more about the application of Expansion joint product new technology in Zhanjia, please call Innovation pipeline [Expansion joint] technical engineer [ 0371-68676867] to learn more practical information!