Core Viewpoint - Antu Biology (603658.SH) has received medical device registration certificates from the Henan Provincial Drug Administration for multiple testing kits, indicating a significant regulatory approval milestone for the company [1][2]. Group 1: Company Developments - Antu Biology and its wholly-owned subsidiary, Antu Experimental Instruments (Zhengzhou) Co., Ltd., have recently obtained medical device registration certificates [1]. - The registered products include various interleukin testing kits and allergy-specific IgE antibody testing kits, showcasing the company's focus on immunological diagnostics [2]. Group 2: Product Details - The registered products include: - Interleukin 4, 5, 8, 10 testing kits (magnetic microparticle chemiluminescence method) - Specific IgE antibody testing kits for egg white, house dust, sesame, and cockroach allergens (magnetic microparticle chemiluminescence method) - Other testing kits for methoxytyramine, cyclosporine, and various antibodies (magnetic microparticle chemiluminescence method and liquid chromatography-tandem mass spectrometry) [2].