Professional in soluable organic fertilizerHumic Acid Humic Acid Potassium Fulvic Acid+ K Humic Acid LiquidBiochemical Fulvic Acid(Vegetable Origin Type B, Type C, Type F)Qingdao JRTC International Co., Ltd.Add: Room 509 (Yi), Today Business Building, No. 10 Shandong Road, Qingdao, China.Tel: +86-532-80902568Fax: +86-532-80902569