【Ten Years of Rapid Development in Chemical Equipment】The first domestic \"submersible permanent-magnet cryopump\" was approved for use between 2015 and 2019

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Witnessing the ten-year rapid development of chemical processing equipment; praising the prosperity and strength of modern China. Replies will be rewarded; discussions are welcome. -------------------------------------------On April 9, 2019, a product evaluation meeting for Hunan Napu Pump Co., Ltd.’s new \"submersible permanent-magnet cryogenic pump\" was held in Changsha. The submersible cryogenic permanent magnet electric pump evaluated in this test was independently developed by Napu Pump Industry and holds independent intellectual property rights. It utilizes a new deep-cryogenic permanent magnet motor technology that is at the international leading level. It features high efficiency, low temperature rise, and high power density, and has obtained **2 invention patents. The successful development of this pump has filled a gap in China’s market for permanent-magnet cryopumps, and it can be widely used in fields such as LNG and other cryogenic applications. The first 11KW model was put into operation at CNOOC’s Longdong gas station in Guangzhou in October 2017; it operates safely and stably, with its performance meeting the requirements of customers. The 90KW unit was installed by Sinopec Shengli Oil Construction in November 2018. The promotion and application of this product will bring significant economic and social benefits.