Alibaba Group Holding Ltd’s plans for a giant initial public offering in New York highlight vast potential for e-commerce in China – and the weak link the logistics industry must fix if explosive growth projections are to be reached. The ageing warehouses that supply goods to customers across the world’s second-largest economy are already creaking under the strain, lacking the automation and state-of-the-art technology that has fuelled the rise in the United States and Europe of Amazon.com Inc.