1, Beijing Yi 'an Beijing Yi 'an Medical was established on 200 1. It is a leading enterprise in the research and development of anesthesia and respiratory medical equipment in China. Its products cover anesthesia and operating room solutions, including anesthesia machines, operating lights and operating beds.

2. Jiangsu Ke Mei Jiangsu Ke Mei Medical Technology Co., Ltd. was established on 20 17 and 10. Located in Biomedical Valley, Jiangbei New District, Nanjing City, Jiangsu Province, it is an innovation-driven international high-tech enterprise integrating research and development, production and sales of medical devices.