CR Vanguard. According to the query of iQiyi APP, the largest affiliated enterprise in Shenzhen is CR Vanguard. CR Vanguard is an excellent retail chain enterprise group under China Resources. After 37 years of development, it owns many famous brands such as CR Vanguard, Wanjia Convenience Store, Wanjia Life, Wanjiacheng, Ole', blt, Su Guo, Tesco Express, V & gtNGO and so on.