© Photo: Zhong Min (Getty Images) Semiconductor factories, among many others, will be closing this week in Suining, Sichuan Province, China. A record-breaking heatwave in China is forcing microchip factories and EV metals processing plants to close for six days. The historic heatwave is causing droughts in the southwestern province of Sichuan and reducing hydropower generation. The dry conditions have strained the region’s power grid, but have also cut back supplies of raw materials like polysilicon , lithium and aluminum, all of which are critical components used in EVs, according to Bloomberg . Sweltering temperatures over 104 degrees farhenheit have…