Beijing Chaosi Electronic Technology Co., Ltd. (hereinafter referred to as Chaosi) is an international leading medical equipment manufacturer and one of the innovative leaders in blood oxygen products worldwide. Since its establishment in 1993, Chaosi has always adhered to the research, development, production and sales of medical and health products. The products cover blood oxygen series, home health series, and primary medical series, and are committed to providing innovative medical and health products to medical institutions and families around the world. .

With its Beijing headquarters as the center, Chaosi has covered the world's marketing network. It has successively established 5 subsidiaries in the United States, Canada, India, Germany and Singapore, and its products meet major economies such as China, the United States, the European Union, Canada, Japan, South Korea, and Brazil. The market access requirements are experiencing business in more than 100 countries and regions. The world's well-known chain pharmacies, medical device stores, and large supermarket chains have sales of Chaosi products, benefiting hundreds of millions of families and medical staff around the world.

In 2016, Chaosi joined Tianjin Hongri Pharmaceutical Co., Ltd. (stock code: 300026), and fully utilized the advantages of intelligent, portable and wearable medical device sectors in the group's big health industry cluster, combining with the Internet and large Technologies such as data and artificial intelligence (AI) have been constantly innovating, and have achieved major breakthroughs in the fields of intelligent and wearable medical care.

Chaosi is headquartered in Badachu High-tech Park in Beijing. It has an international standardized industrial factory of 6,000 square meters, and is equipped with complete precision research equipment and testing equipment. It has established a standardized quality management system based on ISO13485, QSR820 and GMP standards, and has obtained MDSAP. Medical devices have single review qualifications in many countries, and are committed to providing first-class miniaturized, intelligent and wearable medical and health management products and services to medical institutions and families around the world.

Chaosi has obtained medical device product registration in China, the European Union, the United States, Japan, Canada, Australia, Russia, South Korea and Brazil, achieving market access to product sales. Chaosi pays great attention to scientific and technological innovation and intellectual property protection. It has applied for nearly 300 domestic and foreign patents, covering blood oxygen, electrocardiogram, blood pressure, fetal heart attack, body temperature, multi-parameter monitoring, health examination, all-in-one machine and other products. The company's products are best-selling in more than 100 countries and regions, and Chaosi products are sold in world-renowned chain pharmacies, medical device stores, and large chain supermarkets.