Anrong Energy Technology (Shanghai) Co., Ltd. was established by Norwegian AF Gruppen Group in Shanghai in 2009, mainly engaged in the design, sales, and service of air conditioning, refrigeration, and ventilation systems for ships and marine engineering. Anrong Environmental Technology Co., Ltd. was established in Hong Kong in 2019, engaged in import and export trade of ships and marine engineering equipment. In 2021, TWTE (Green Energy Environmental Technology Co., Ltd.) was established, dedicated to researching, developing, and selling ship waste heat recovery systems. In 2022, Anrong Ship Equipment Co., Ltd. was established, engaged in the production of air conditioning refrigeration equipment and waste heat recovery power generation equipment.