China's SMIC Ramps Up Production of Decade-Old 28nm Chips, US Lawmakers Raise Concerns | Technology News

China's SMIC Ramps Up Production of Decade-Old 28nm Chips, US Lawmakers Raise Concerns China's SMIC, the country's largest chipmaker is ramping up its production of decade-old 28nm chips, as US lawmakers raise concerns that the country could flood the market with chips still widely used in automotive, weapons and Internet of things (IoT) devices.