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high concentration of pure potassium sulfate
k, pure sulfuric acid this series of products using high quality pure ammonium sulfate as raw material, the absorption rate is higher, the effect is better.
high concentration of pure potassium sulfate (double sulfur based compound fertilizer samples of white series)
k, pure sulfuric acid this series of products using high quality pure ammonium sulfate as raw material, the absorption rate is higher, the effect is better.
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