Nvidia CEO Jensen Huang.Sam Yeh/AFP via Getty ImagesChina wants its chip hungry tech giants to buy local, per The Information. Companies like Alibaba were told to pare down their spending on foreign-made chips like Nvidia's.The new directive would be a huge downer for Nvidia, which sees the country as a key market.Chinese officials are asking domestic tech giants to buy locally-made AI chips instead of Nvidia's, The Information reported on Monda…