Tencent signaled that the availability of Chinese AI chips will increase this year while Alibaba talked up its self-developed semiconductors. The comments underscore how Chinese tech companies have turned to domestic chips as Nvidia has remained shut out of the market. Nvidia's absence from the country has fueled a homegrown chip boom, but Reuters has reported that the U.S. chip giant has approval to ship its H200 chips to some Chinese firms. China is focusing on large language models in the artificial intelligence space. Blackdovfx | Istock | Getty Images Production of Chinese chips could ramp up this year, as…