[SIA: the share of global chip sales in mainland China surpasses Taiwan in China and approaches Europe and Japan for the second year in a row] according to a commentary published by (SIA), an American semiconductor industry association, on January 10, 2022, global chip sales of mainland Chinese companies are growing, mainly due to the competitive situation between China and the United States and mainland China's efforts to promote the development of the chip industry, including government subsidies, procurement concessions and other preferential policies.