Hangzhou Chengyingyi Energy Technology Co., Ltd.

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Hangzhou ChengYingYi Energy Technology Co., Ltd. (CYY Energy), registered in 2016 and based in Yuhang Economic Development Zone, Hangzhou, Zhejiang, China, is a professional manufacturer of gas equipment including air separation plants, PSA/VPSA generators, LNG plants, cryogenic liquid storage tanks (LO2, LN2, LAr, LCO2, LNG), ISO tanks, cylinders, cryogenic pumps, and gas filling stations. Among its comprehensive cryogenic liquid handling equipment range -- which includes CNG cylinders, dewar cylinders, liquid nitrogen containers, cryogenic semi-trailer tanks, and micro bulk tanks -- CYY Energy manufactures liquid hydrogen storage tanks and high-pressure cryogenic liquid hydrogen storage tank equipment used for the safe containment and transport of hydrogen in liquid form. The company has successfully delivered more than 50 types of gas equipment to customers across China, Southeast Asia, the Middle East, South America, and Latin America, applying its technical design capability, mature project management systems, and comprehensive after-sales service to serve industries including steel, metallurgy, oil, chemical processing, machinery, environmental protection, electronic manufacturing, and medicine. As part of China's broader industrial gas equipment manufacturing ecosystem, CYY Energy's cryogenic engineering expertise applies directly to the specialized low-temperature storage and transport requirements of the growing liquid hydrogen supply chain.