We fabricate high quality hardware and structure, including but not limited to, Stands, Rails, Spreader Bars, Drop Hangers and Accessories, compatible with the following OEM conveyor systems: Contiental Conveyors Catepillar Bucyrus Long Airdox Conveyors Dowty Goodman-Hewitt Superior also produces ventilation doors (mandoors) in various sizes, as well as tool boxes, dumpsters, and other mine supply hardware such as bolts, anchor pins, brackets, clamps and cuffs. High quality. Competitively priced. Quick turn-around. Superior's high quality replacement products are priced much more competitively than OEM's, and are produced and delivered at much faster response times.