Profile: Haynes Enterprises, Inc. designs and manufactures material handling equipment. Our products include hydraulic mail dumpers, hamper stackers, automatic mail loaders, table tilters, pallet jacks, slide systems and conveyor belts. Our LD-5000M is designed for all mail processing in plants, associated offices and stations that have dumping operations. Our LD-4500XD consists of safety screens on both its sides & an environmental self-adjusting alarm that operates both on top & down cycle and limit switches.