Guangxi Cangwu Liubao Tea Industry is located in Liubao Town, Cangwu County, the origin of Liubao tea, formerly known as Liubao Commune Tea Farm, which was founded in 1955, and was successfully reorganized in 2006, and took "Cangsong" as the trademark of Liubao tea products. In 2014, Cangwu Liubao Tea Industry was selected into the list of Liubao Tea Geographical Indication Authorized Enterprises, and its Yingping and Panlong Tea Gardens passed the organic certification of China Green China, the European Union, Canada and Japan at the same time, and won many honorary titles such as "Guangxi Famous Trademark" and "Guangxi Time-honored Brand".
 
Cangsong focuses on high-end organic tea, made by traditional technology, drawing on the preparation method of Pu'er raw tea, no water is added when the pile is made, the fermentation time is controlled in one night, the color of the tea soup is orange and yellow, the taste and taste are more inclined to green tea, the price is high, equivalent to more than 2,000 yuan per catty, suitable for people with specific needs. In contrast, Cangsong modern craft tea is much more affordable, the process of cold water is about 45 days, the fermentation is sufficient, the taste is mellow, the old rhyme is full, the old tea produced in 2011, 150g is priced at 98 yuan.