Profile: M & J Machinery specializes in manufacturing all kinds of packing scales, packing systems and conveyors such as quantitative auto packing scales, automatic packing systems, processing lines, screw conveyors, and bucket elevators. We also offer chain plate conveyors, belt conveyors, loading conveyors, mesh belt conveyors, pallet dispensers, palletizing conveyors, rolling conveyors, and truck loaders.