Antai's full name is initiative. Aetna is a Sino-foreign joint venture, established in 2002 and headquartered in Dalian. At present, there are five companies in China, which are located in Beijing, Shenyang, Dalian, Shandong and Henan.
The Chinese shareholder is the Capital Company.
The foreign shareholder is ing, an insurance company with a history of 160 years. Headquartered in Amsterdam, its branch assets are 1 159 billion euros. It is the largest joint-stock life insurance and health insurance company in more than 50 countries around the world.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.