Very formal. Jianhe Yangshengtang Corporation, Dukou Road, Shuangpu Town, Xihu District, Hangzhou City, Zhejiang Province, is a regular brand protected by official website certification law, so it is very reliable and formal. Yangshengtang products are all domestic brands, and Jianhe Yangshengtang and various skin care products are deeply loved by users, attracting consumers to buy real domestic light products.