الجير مطحنة مسحوق الصغرى
مطحنة مسحوق الصغرى. مطحنة مسحوق الصغرى Threering Micro Powder Mill Crusher. The Threering Micro Powder Mill(ultrafine mill) is for superfine grinding materials with hardness less than 6 in Moh''s scale and humidity less than 6.