... ammonium sulfate, potassium chloride, potassium sulfate, salt, binary and ternary compound fertilizer (nutrient content of 25%53%), ... of compact, scientific and rational, leading technology, energy saving, environmental protection and non-waste emissions, operation stability and easy maintenance ... . Particle shape: Bian spherical shape, irregular shape and so on. 10. Moisture: inorganic materials 2-5 ...