8 yuan. Danyang Unicom card mainly has 8 yuan basic package, 20 yuan with 1g traffic package, 35 yuan 100 minutes free call package, 50 yuan 100g traffic package. So the minimum spending of Danyang Unicom card is 8 RMB. China United Network Communications Group Limited referred to as China Unicom, in 2009 by the former China Netcom and the former China Unicom merger and reorganization, mainly operating in the big connection, big computing, big data, big application, big security five main responsibilities and main business.