SHMG introduced technology of producing large vertical mills, medium speed coal mills and grate cooling machines from Phfeiffer Ltd., Germany, Babcock Ltd., Germany and Fuller Ltd., the U.S.A.. It has the capability of designing and producing main equipment of new dry cement producing lines which daily output is 2,000 tons to more than 5,000 tons. The main equipment of cement factories which daily output is less than 3,000 tons are used in nearly a hundred big or medium sized factories in China, totally replaced the imported equipment. SHMG is the only factory which has this ability in China. It has mature technology of designing and producing main equipment of cement producing lines which daily output is over 2,000 tons. The technology of raw material and clinker vertical roller mill, grate cooling machine, large-sized rotary kiln and medium speed coal mill is introduced. After using and developing the technology introduced for a long time, SHMG obtained a strong ability to innovate i