PH 9-11 Black Microparticle K-Fulvate Hollow Particle For Industrial Applications
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pH 9-11 Black Microparticle K-Fulvate Hollow Particle for Industrial Applications Product Description: We begin with premium lignite and weathered lignite, add potassium hydroxide, and a solution will be ......
Shandong Huayuan Humic Acid Ecological Agricultural Science and Technology Co., Ltd.
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