CNN — The United States government is seeking more information about the Huawei Mate 60 Pro, a Chinese smartphone powered by an advanced chip. The new flagship device, which reportedly includes a new 5G Kirin 9000s processor developed specifically for Chinese manufacturer Huawei, recently shocked industry experts who didn’t understand how the company would have the technology to make such a chip following sweeping efforts by the United States to restrict China’s access to foreign chip technology. US National Security Adviser Jake Sullivan said during a White House press briefing Tuesday that the US needs “more information about precisely its...