Stacker is a continuous and efficient bulk material handling machinery that is widely used for port, metallurgy, mine, electric power, coal chemical industry, etc. and can achieve continuous stacking of bulk materials such as coal, ore, etc. DHHI is capable of development and manufacture of various types of stackers with a rated capacity of 100~15000t/h, e.g. rocker-type stacker, blending stacker, etc., independently.