Guangdong province. According to the inquiry, Isavia is a trademark successfully applied by Guangzhou Zhongshang Biotechnology Co., Ltd. on July 27, 223. The company is headquartered at the second floor of Building B2, No.13 Kexing West Road, Guangzhou Private Science and Technology Park, Baiyun District, Guangdong Province. Its main business is skin care or moisturizing products, cosmetics and skin care products.