How to buy a phone card:
1.China Unicom: Bailun Square, 1st floor, No. 69, Guoning East Road, Pidu Country;
2.China Mobile: Pidu China Mobile, No. 143, Zhujiang E Rd, Pidu Country;
3.China Unicom: Yinshalu China Unicom, No. 6, Yinshalu Road, Jinniu Distrcit.