No, there is no 3-nanometer chip in mass production, the current mass production is a 5-nanometer process chip, and the 3-nanometer process chip is Apple's next generation A15 processor chip, which has not yet been released.
Qualcomm is a leading global innovator in wireless technology, revolutionizing the way the world connects, calculates and communicates. Connecting mobile phones to the Internet, Qualcomm's invention opened the era of mobile Internet.