A packet of Panda Tea, fertilized with pandas' excrement, in Chengdu, capital of Sichuan province, March 27, 2012. [Photo/CFP]

An Yanshi from Chengdu, capital of Sichuan province, created Panda Tea - tea fertilized with pandas' excrement.

The Panda Tea costs 20,000 yuan for a 50g pack, and the rare product is on sale for 440,000 yuan per kilogram. An will apply the Guinness World Record as the world's most expensive tea.

An Yanshi said in an interview with Sichuan TV that the income from the Panda Tea will be used for environmental protection, such as tree-planting.