SummaryCompaniesBytedance, Alibaba keen to buy Nvidia H200 chip after Trump green light, sources sayChinese tech firms concerned about H200 supply, seeking clarity from NvidiaVery limited quantities of H200 currently being producedH200 far more powerful than any other chip legally sold in ChinaChinese authorities may ask to review H200 purchase requestsBEIJING/SINGAPORE, Dec 10 (Reuters) - ByteDance and Alibaba (9988.HK), opens new tab have asked Nvidia (NVDA.O), opens new tab about buying its p...