? Material department,?Ministry of Industry and Information Technology of the people’s Republic of China
? Department of Crop Production ,Ministry of Agriculture and Rural Affairs of the people’s Republic of China
? China phosphate and compound fertilizer industry association(CPFIA)
? China petroleum and chemical industry federation
? National agricultural technology extension service center
? China agricultural university
? China Nitrogen Fertilizer Association?
? Potash Branch of?CISIA
SPA
ESPP
