Manufacturers with medium-speed grinding: Shanghai Heavy Industry Co., Ltd., Beizhong, Shenyang Heavy Industry Co., Ltd., Changchun Electric Power Equipment Repair Factory
Steel ball mill: Shenyang Heavy Industry Co., Ltd.
Fan mill: There are not many parts completely made in China that need to be imported from Russia, and the main production is Shenyang Heavy Industry Co., Ltd.
There are not many people who have seen all three kinds of coal mills in China.