the registered trademark of "aichen" in Chinese and English is owned by Zhejiang Aiqi Electric Appliance Co., Ltd., which was established in 1994. It is one of the three major brands of pressure cookers in China, and its products involve cookware, small household appliances, range hoods and other categories. The range hoods of "Aiqi" are authorized to be produced and sold by Zhongshan Zhihao Electric Appliance Co., Ltd.

my wife's English is AICHEN, not simple pinyin. Now the English trademarks of large enterprises are not simple pinyin abbreviations, such as midea supor. I hope my answer will help you.