Shanghai Telecom's Star Card series is very cost-effective.
The 39 RMB Star Card traffic version contains 360G/year of domestic targeted traffic + 120G/year of domestic general traffic
30G/month of targeted traffic x 12 months = 360G/year
10G/month of general traffic x 12 months = 120G/year
Domestic calls; Domestic calls are free of charge; Domestic targeted traffic ranges: Aqiyi, Watermelon video, Jitterbug short video, Shutterbug, Jitterbug volcano version, Tencent video, Youku video, NetEase cloud music and so on.