Thank customers for visiting ZhongYuan water supply equipment enterprise website! Well-established reputation, ingenuity and focus Gongyi Zhongyuan Innovation Pipeline Equipment Co., Ltd For many years, we have insisted on taking research and development as the basis of survival and improved the application of new technologies in [pipeline expansion joint, pipeline power transmission joint, rubber joint] products! friends can call ZhongYuan water supply equipment [pipeline expansion joint, pipeline power transmission joint, rubber joint] technical engineers to learn more about the application of pipeline expansion joint, pipeline power transmission joint, rubber joint product new technology in practice!