1, Chihiro is the brand of Meizi Commercial Service (Guangzhou) Co., Ltd., and Huace brand is the brand of Dousi Testing Technology (Shanghai) Co., Ltd., so it is not a brand.
2. Meizi Commercial Service (Guangzhou) Co., Ltd. is mainly engaged in technical research and development of biochemical products; Research and development of polymerization technology of bio-based materials; Science and technology intermediary service; Health consultation service. Dousi Testing Technology (Shanghai) Co., Ltd. is mainly engaged in technical development, technical consultation, technology transfer and technical services in the field of testing technology.