Legal. Tea Exchange is recognized by relevant state departments and a public service platform approved by the state. It is a national commodity trading platform headed by the State Forestry and Grassland Bureau and supported by many financial institutions such as China Agricultural Bank, China Agricultural Development Bank and China Rural Credit Cooperative. The establishment of tea exchange aims to promote the healthy and orderly development of tea industry and promote the process of marketization, industrialization and internationalization of tea. After years of development and practice, the Tea Exchange has become one of the recognized authoritative trading platforms in the domestic tea industry.