China's new round of COVID curbs hit Toyota, Volkswagen; concerns grow about supply chains China's new round of COVID curbs hit Toyota, Volkswagen; concerns grow about supply chains March 15, 2022 dzadmin Comments 0 Comment Multiple Chinese provinces and cities have tightened restrictions in line with Beijing’s zero-tolerance goal of suppressing contagion as quickly as possible, among them the southern Chinese tech hub of Shenzhen.