This report is from this week's CNBC's The China Connection newsletter, which brings you insights and analysis on what's driving the world's second-largest economy. You can subscribe here.The big storySitting in his new Beijing office, AI2 Robotics Founder and CEO Eric Guo wistfully reflected on fundraising challenges in China — and noted that U.S.-based humanoid rival Figure recently raised $1 billion in a single round, at a $39 billion valuation.That's far more than what a Chinese robotics com...