1-National High and New Technology Enterprises (Certificate)1-Ping an Insurance of China1-A flexible electrothermal film2-Professional Committee on Electric Energy heating 2019-620-62-Construction Enterprise qualification Certificate2-Downhole pumping pipe with heating device3-meritorious Enterprises (Organizing Committee of China Electric Power heating Industry Development Forum)3-CQC3-oil pipeline heat exchanger4-National Building Energy Saving and Construction Science and Technology Popularization Service platform (governing Unit)4-ISO90014-A heating and insulating oil pipeline5-Enterprise Credit rating Certificate5-Certificate for Evaluation of Scientific and technological achievements in the Construction Industry5-High efficiency and energy saving heat pipe
400-888-6336
