SHANGHAI (Reuters) -The Chinese financial and manufacturing hub of Shanghai will gradually begin reopening businesses such as shopping malls and hair salons from Monday after weeks in a strict COVID-19 lockdown, the city’s vice mayor told a media briefing on Sunday. Shanghai, which has been locked-down for more than six weeks, is in the midst of a recent tightening in some areas that it hopes marks a final push in its battle with the virus. Shopping malls, department stores, and supermarkets will begin resuming in-store operations and allow customers to shop in “an orderly way”, while hair sal…