sludge rotary drum dryer-Factory ... it has been widely used.Export country of the Drying Equipment: India, Vietnam, Korea, Peru,Kazakhstan, Mongolia, ... , rotory dryer, big and medium crushing equipment, sand making equipment, stone production line, mineral magnetic separating production ... Zhengzhou City, Henan Province, China. // sludge rotary drum dryer /* sludge rotary drum dryer with CE and ISO9001: ...