The Raymond Mill series of 3R1410, 2115, 2615, 4R2714, high-rate 2714, 3016 and 3216 are high efficiency recycling powder making equipments of closed circuit used in the field of middle and small scale mine, chemical industry, building materials, metallurgy, refractory materials, pharmacy, cement, etc. It is a new type of flour mills replacing ball mills in powder processing. The output and energy consumption of the products have met the national standards and ranked advanced level in the country. And it has received good reputation from all trades and professions.