Xuhui District, Shanghai. According to inquiries on the official website of Shanghai Hongfang Network Technology Co., Ltd., as of April 8, 2023, Junxiaobai toothpaste is a registered trademark of Shanghai Hongfang Network Technology Co., Ltd. and is produced in Xuhui District, Shanghai. Toothpaste is a paste-like product that is applied to the surface of human teeth by friction with the main purpose of cleaning.