1, different enterprises. Kang Taijian is Shenzhen Kang Taijian Medical Technology Co., Ltd., established in 2003, located in Shenzhen City, Guangdong Province, which is an enterprise mainly engaged in the manufacture of special equipment. Kangtai Bodybuilding is Kangtai Bodybuilding Medical Technology (Shenzhen) Co., Ltd., established on 20 1 1, located in Shenzhen, Guangdong Province, which is an enterprise focusing on research and experimental development.

2. The business scope is different. Shenzhen Kangtaijian Medical Technology Co., Ltd. Business projects: production and sales of Class I, Class II and Class III medical devices. Kangtai Fitness Medical Technology (Shenzhen) Co., Ltd. is engaged in the research, development, production and operation of Class II 6863 customized dentures, importing related equipment and raw materials, and exporting Class II 6863 customized dentures.