Organic fertilizer pellet equipment and auxiliary tools
Organic fertilizer pellet machine is a kind of  devices that  utilizes  hen  as well as pig manure as the  major  basic materials, adds a  specific amount of nitrogen fertilizer, phosphate fertilizer, potassium fertilizer, magnesium sulfate, ferrous sulfate and other substances,  as well as uses rice bran, yeast, soybean meal and sugar to ferment for a...
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