US steps up tech war with China by imposing new measures on Huawei

America’s tech war with China escalated on Friday as the White House imposed new restrictions on Huawei and China threatened to retaliate against US counterparts including Apple. Wilbur Ross, the US Commerce Secretary, announced controls on companies that use US equipment to supply Huawei with microchip technology, a blow intended to cripple the Chinese company’s supply chain. The order means that within 120 days, companies that manufacture or design chips that end up in Huawei equip