... system, increased tightness of the door; 3.Specially designed double retarders, running at adjustable speed, ensure driving more stable ... is widely used for mixing of power, granular, flake, block, irregular and sticky materials in the industries of feed, ... chemicals, medicine, pesticide, etc.technical parameters of ruiyuan 1000kg double shaft powder mixer Model MJ-300MJ-500MJ-1000MJ-1500MJ-2000Capacity ...