Wed, 03/08/2023 - 20:55 Tech Insider Sanitation workers wearing personal protective equipment (PPE) spray disinfectant at Nanjing Road Pedestrian Street on May 28, 2022, in Shanghai, China.Yang Jianzheng/VCG via Getty Images Tags International, News, Features, insider asia, insider news, China, zero-COVID, Winners, Businesses Source 6 companies that struck it big on China's zero-COVID policies and came out on t…