... ,QS,ISOCompany's Mainly ProductionPu-erh Tea: the brick tea, the cake tea, the ball tea, loose tea, collection tea, etc. Product natureSlimming, promote health, warm ... Foreign TradePu-erh Tea: the brick tea, the cake tea, the ball tea, loose tea, collection tea, etc. What is Pu'er tea ?Pu'er tea has a ...