The CGFDC oversees two Green Food Standards: A (which allows some use of synthetic agricultural chemicals) and AA (which is more stringent, allowing less use of such chemicals, and is consequently less popular with agricultural producers). Both standards focus on the end product rather than the process, and do not generally monitor actual use of agricultural chemicals, preferring instead to test the products themselves for chemical residues. Green Food thus provides farmers with a steeped path way from chemical farming, to Green Food Grade A through to organic certification.Also,the China Green Food Development Center demonstrates the genesis of Green Food :"China's Green Food development is the outcome of actively exploring new ways of food production and consumption based on China's own situation and in line with the international trend of sustainable development. The statistics show an increase of 7 percent of green food enterprises which up to 6400 compared with the data of 2009 from the China Green Food Development Center.And the China's Green Food has launched high quality through the supervising of CGFDC.
Source:
http://en.wikipedia.org/wiki/China_Green_Food_Development_Center