Herbs Grinding Machine Micro Powder Mill Machine. Available Options: 220V 50Hz / CIF-Door Delivery, 220V 50Hz / FOB, 110V 60Hz / CIF-Door Delivery, 110V 60Hz / FOB. Herbs Grinding Machine & Micro Powder Mill Machine YF-150, also named Powder Milling Machine. Adopts top grade motor, mental fan blades, high rotating speed, and high power make the working life longer, can continue working for ...