188.8.131.52 the last one is limestone drum granulating equipment. 1.0.2 2. how many models are there for different scales of fertilizer production? 1.0.3 small scale: 1.0.4 medium scale: 1.0.5 large scale: 2 how do we design a high quality rotary drum granulator? 3 what are the advantages of shunxin rotary granulating machine? 3.1 get.