Shenzhen Yhlo Biotech Co., Ltd. (688575.SH) announced that the company and its wholly-owned subsidiary, Hunan Yhlo Biotech Co., Ltd., recently received medical device registration certificates issued by the Guangdong and Hunan Provincial Medical Products Administrations. The registered products include the Salivary Gland Tumor-Associated Antigen (KL-6) Assay Kit (Chemiluminescence Method) and the Anti-Melanoma Differentiation-Associated Gene 5 IgG Antibody Assay Kit (Chemiluminescence Method).