1-National High and New Technology Enterprises (Certificate)1-A flexible electrothermal film1-Ping an Insurance of China2-Professional Committee on Electric Energy heating 2019-620-62-Downhole pumping pipe with heating device2-Construction Enterprise qualification Certificate3-meritorious Enterprises (Organizing Committee of China Electric Power heating Industry Development Forum)3-oil pipeline heat exchanger3-CQC4-National Building Energy Saving and Construction Science and Technology Popularization Service platform (governing Unit)4-A heating and insulating oil pipeline4-ISO90015-Enterprise Credit rating Certificate5-High efficiency and energy saving heat pipe5-Certificate for Evaluation of Scientific and technological achievements in the Construction Industry
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