... OEM service. 2)Any packing you want. 3)Certificate:BCS.ISO,QS. 4.Delivery period:10~20 days. Black tea:1.About ... usFriendii is a professional manufacturer for Chinese green tea, black tea, organic tea, CTC with factory located in Huangshan, Anhui ... any packaging situation.6.we can discuss the details later 2 grade keemun black tea