... of rotary drum drier Rotary dryer is used to dry slag, clay, limestone, It is mainly used for cement, chemical, metallurgical, ... cement, chemicals, etc. It is used in the construction industry, chemical industry, metallurgical industry, just to name a few. 3.Advantages ... in the ore mining industry, construction industry, metallurgy, and chemical industry. 4.Service Standards of Our Company Pre-sale:(1 ...