Clad in black suits, China's e-tailers go upscale

HONG KONG -- They are not your typical deliverymen: Clad in black suits with ties and white gloves, they collect products from special warehouses controlled for temperature and humidity, then fan out across Beijing to deliver them by hand. They are taking the experience of shopping at a luxury boutique to consumers' front doors -- part of a strategy by big Chinese e-commerce companies to cater to the increasingly affluent Chinese.