This book mainly introduces the rotary air preheater for conventional pulverized coal boiler and circulating fluidized bed boiler, the dynamic adjustable axial flow fan, the static adjustable axial flow fan and the centrifugal fan for the smoke and wind system, the coal feeder and the coal pulverizer for the coal powder preparation system, and the auxiliary equipment for the smoke and wind system (including non-metallic expansion joints, smoke and wind isolation doors and warm air heaters). It also introduces the scope of supply and order instructions of the manufacturers.