China roundup: Tesla supplier CATL to buy Canadas Millennial Lithium Hello and welcome back to TechCrunch’s China roundup , a digest of recent events shaping the Chinese tech landscape and what they mean to people in the rest of the world. China’s anti-competition tech crackdown continues to redefine the dynamics among the country’s internet giants, leading to collaboration between Alibaba and Tencent in the payments race. In the meantime, China’s tech giants are expanding fearlessly around the world. TikTok became the first internet firm from China to have topped 1 billion overseas users, and Tesla’s battery supplier CATL is on...