Production of Chinese chips could ramp up this year, as executives at the country's biggest tech companies look to deploy more homegrown technology — as it's reported U.S. chip giant Nvidia could return. On Wednesday, internet titan Tencent suggested that production of Chinese homegrown chips could ramp up this year, while e-commerce giant Alibaba discussed how it is expanding its self-developed semiconductor usage. The comments underscore how, in the absence of Nvidia's technology due to