BioRay Biotech Co., Ltd. engages in the biological health products development, functional Medical Testing business, and cell storage and preparation services. Its Biotechnology Health Products Development business offers raw materials, and probiotic capsules. Its Functional Medical Testing business provides immunomodulator testing, intestinal environment testing, nutritional metabolism testing, immune function testing, and cancer precision medicine testing products. Its Cell Storage and Preparation Services business supports stem cell and immune cell storage, and cytokine induced killer and dendritic cells with cytokine-induced killer immune cell preparation. The company was founded by Ting Yuan Hsu on March 2, 2005 and is headquartered in Pingtung, Taiwan.