Hello from China Guangdong, you are browsing a physical enterprise focusing on Expansion joint products! For many years, China Guangdong China Guangdong Waterproof casing Expansion joint rest assured enterprises Zhongyuan valve fittings enterprise overseas online promotion website has insisted on taking research and development as the basis of survival, and constantly improved the application of new technologies in [Expansion joint] products! Pay homage to the original intention with ingenuity and achieve professionalism with focus! 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 for more detailed information!