Members of the international business community in Shanghai speak about the disruptions caused by the city's lockdown in the operations of the region's manufacturers and multinational firms. "It's a kind of logistics black hole," says Bettina Schoen-Behanzin, the vice president of the Shanghai chapter of the European Union Chamber of Commerce in China. "It will have quite an impact on business revenues and profits." Shanghai's grinding coronavirus lockdown is slowly clogging China's supply chains, as delays hit the world's busiest container port. IMAGES AND SOUNDBITES