Sustainable development is imperative. Thank China Liaoning customers for entering Innovation pipeline website! At the beginning of the establishment of the company, China Liaoning Expansion joint Expansion joint supplier--Zhongyuan valve fittings China Liaoning network publicity site took research and development as the basis of survival and continued to improve 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 China Liaoning, please call Innovation pipeline [Expansion joint] technical engineer to learn more experience!