Potassium sulfate (SOP 52%min) – Manufacturer of MAP 12-61-00, NOP 13.5-00-46, MKP 00-52-34, NPK 20-20-20+TE, NPK 3-37-37+TE, NPK 10-52-10+TE, NPK 12-6-42+TE, NPK 10-10-40+TE, NPK 19-19-19+TE, NPK 21-21-21+TE DAP 21-53-00, UP 17-44-00, (food grade monopotassium phospahte MKP), (Food grade Diammonium phosphate DAP), (Feed grade Monosodium phosphate), food phosphates, feed phosphates, NPK water soluble fertilizer，Sichuan LXJL Chemical Co., Ltd