Zero defect of the production process,a high-qualily products of 100-point. Thank China Tianjin customers for entering Innovation pipeline website! At the beginning of the establishment of the company, China Tianjin Expansion joint cooperative partner Zhongyuan valve fittings China Tianjin Expansion joint overseas product promotion website 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 Tianjin, please call Innovation pipeline [Expansion joint] technical engineer to learn more experience!