Use and Characteristics: 1 High strength dve to one piece casting by using top quality materials for machine body. 2 Smooth running , big pressure and low noise are obviously remarked as 3-step helical gear achisnisn is asopted . 3 Sngle plated electromagnetic clutch is sensitive subreliablie . 4 Operational altitude is reasonably arranged . Moving-bed opens to its optimun. 5 Safty system is reaty reliable. Note: The clor of equimenture can be choose by clients' needs .