Billionaire businessman Elon Musk, head of Tesla, held talks with Chinese Prime Minister Li Qiang in Beijing on Sunday after arriving unexpectedly aboard a private flight. During the talks, Li described Tesla’s presence in China as “a successful example of Chinese-American economic and trade cooperation.” Musk praised the “hard work” of his Chinese team in Shanghai, which had made the Tesla plant there the best performing in the company. Musk added that he was looking to enhance cooperation with China. Media reports indicated that the surprise visit had to do with data transfer issues. Accordi…