CDM Systems, Inc. CDM Systems, Drop-Forged Chain, Drag Conveyor Chain, Heavy-Duty Chain, Replacement Conveyor Chain, Retrofit Conveyor Chain, Drag Chain Conveyor, Enclosed Conveyor, En-Masse Drag Chain Conveyor, En-Masse, High Temperature Conveying, Abrasive Material Conveying, Bulk Material Conveyor, Alternative to Belt Conveyor, Alternative to Screw Conveyor, OEM Conveyor, Retrofit Conveyor, Ship Unloader, Stationary Ship Unloader, Marine Leg, Mobile Marine Leg WE DESIGN FROM THE INSIDE OUT Our design philosophy starts with the chain. We engineer each conveyor from the inside out because it is the chain that