The global supply chain works like a giant circular conveyor belt that shuttles containers packed with goods from Asia to manufacturers and retailers around the world, then back to be refilled.... As a result, products that rely on an Asian supply chain may be held up for more than a month, meaning they may be MIA this holiday shopping season unless they’re already on a boat steaming for a West Coast port.... Shelves at the Panda Game Manufacturing factory in Shenzhen display some of the board