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Liuba High-tech Development Zone, Minle County, Zhangye, Gansu, China (Mainland)
High solubility super potassium humate from Xinjiang leonardite, US $ 400 - 1500 / Ton, ORGANIC FERTILIZER, Humic Acid, 68514-28-3.Source from Gansu Jinshi Chemical Co., Ltd. on Waimaotong.com.