... 450 sieve machine 1.Used in medicine, food, chemical industrial 2.CE certification,ISO 9001:2008 3.Rapidly ... 450 series sieve machine is designed for accurate grading or sizing of wet and dry materials up to five ... sieve include:Food - Food ingredients, confectionery, chocolate, etcChemicals - Chemical powders or liquidsMetals - Metal powders, alloys, etcPharmaceuticals - Pharma powders, active ...