Hongzhi Yangzhutang is a trademark. Hongzhiyangzhutang trademark application registration number: 60570332, application date: 2021-11-15. Applicant: Song Yuliang Handling/Agency: Beijing Jinxin Yacheng Intellectual Property Agency Co., Ltd. Applicant address: Group 8, Fengyuan Station, Tongmeng Village, Fulongquan Town, Nong'an County, Changchun City, Jilin Province.