Apple is in the final stage of verifying its first “made in America” cutting edge processor chips from Taiwan Semiconductor Manufacturing Co’s plant in Arizona. The first batch of commercial mass-produced chips is expected as early as this quarter, after the quality assurance processes are completed, people briefed on the matter said.

Apple is nearing the start of mass production for its first U.S.-made A-series chips at TSMC's Arizona plant, Nikkei Asia reports. The

Apple announced that it would start using US chipsets from TSMC’s Arizona plant in the future. TSMC said that a third of the chips made at the Arizona plant will be for the iPhone maker. At the time,