The China National Native Products Imp/Exp company is also known as the CNNP. This production chain in China is resopnsible for much of the Pu-erh tea up until about 20 years ago. The government ran and directed the fectories and controlled the export of many teas and products. Each mini tuocha is wrapper in the signature CNNP paper and logo, which mades these tuo's instantly recognizable. Kuming storage. Try some, you'll like them.