BEIJING, June 28 (TMTPost) -- Cainiao Group, a subidiary of Alibaba Group, has decided to take on new express delivery business, including 12-hour delivery, 24-hour delivery and door-to-door delivery. The deicison was announced on Wednesday. While its current business serves Tmall clients only, the new business will serve customers across China. Alibaba Group founder Jack Ma repeatedly stated that the company would not deliver parcels by itself.