Judging from the current information, there are mainly Sequoia Capital China and Carlyle Investment Group, with acceptable investment returns and low debt ratio. See the following online excerpts: Sequoia Capital was established in 1972, and * * owns 18 funds with a total capital of over USD 4 billion. It has invested in more than 500 companies through mergers and acquisitions, successfully listed more than 200 companies, and successfully exited 100. Sequoia Capital, as the largest VC in the world, has invested in Apple Computer, Cisco, Oracle Bone Inscriptions, Yahoo, Google and Paypal. The total market value of companies invested by Sequoia exceeds 65,438+00% of the total market value of Nasdaq. Since most American high-tech enterprises are concentrated in California, the company once claimed that its investment has never exceeded the 40-mile radius of Silicon Valley. In September 2005, Zhang Fan, former director of Defengjie Global Fund, Shen Nanpeng, former president and CFO of Ctrip.com, and Sequoia Capital co-founded Sequoia Capital China. Carlyle Investment Group The Carlyle Investment Group in the United States is a world-famous direct investment institution, which was established in 1987. Headquartered in Washington, USA, its three Asian funds have more than 65,438 billion US dollars invested in the Pan-Asian region. Carlyle Group has 28 different types of funds, with assets under management of more than $24.8 billion. Since the establishment of 1987, it has invested1300 million USD, which is mainly used for corporate mergers and acquisitions, real estate and venture capital in Asia, Europe and North America. It is reported that since the establishment of 1987, Carlyle Group has made huge profits from the global strategic investment of 125 billion US dollars, with an average annual return rate of 35% for investors.