... and mining industry, also used in metuallurgy,chemical industry, power plant, harbon, etc ISO,CE,GB,MT. Detailed featrues and technique ... and mining industry, also used in metuallurgy,chemical industry, power plant, harbon, etc.Advantages: Long distant, large volume and high speed ... in the left side or the right side of the conveyor system. Or using an electronic roller as a driving device.)2 ...