Learn party history, strengthen faith, and follow the party Hello, what you see is a physical enterprise focusing on pipeline expansion joint, pipeline power transmission joint, rubber joint products! Gongyi Zhongyuan Innovation Pipeline Equipment Co., Ltd has cultivated the Islamic Republic of Iran market for many years, and constantly improved the application of new technologies in [pipeline expansion joint, pipeline power transmission joint, rubber joint] products! If you want to know more about the application of [pipeline expansion joint, pipeline power transmission joint, rubber joint] product new technology in practice, please call ZhongYuan water supply equipment [pipeline expansion joint, pipeline power transmission joint, rubber joint] technical engineer for useful information!