Safe. Andyko products are developed and produced by Shenzhen Andyko Biotechnology Co., Ltd. The company was established on November 26, 2021. The company has complete certificates and is registered with the Shenzhen Municipal Market Supervision Administration. Its operations are legal and compliant. Andyko Kou's products have passed the physical, chemical, microbiological, toxicological, human safety and efficacy tests of national accreditation agencies, so they are safe and reliable. The company's address is located at Huanguan South Road, Xintian Community, Guanhu Street, Longhua District, Shenzhen.