Lockdowns imposed early in the pandemic helped Chinese factories resume operations within months and be able to fulfill overseas orders. But the same strategy worked less well for the more infectious omicron variant. In Shanghai, the coronavirus lockdown has weakened supply chains and logistics. China is due to release second-quarter gross domestic product figures on Friday, which are expected to show the impact of a two-month lockdown in Shanghai, the country’s financial, transportation and manufacturing hub. Those restrictions force Chen to do things that bosses are usually reluctant to do. He asked his clients – mainly golf courses in other...