Profile: Qualis Engineers provides industrial goods packaging tools and consumables. Our packaging tools include pneumatic nailing machines, steel strap tools, pneumatic stapling machines, shrink & stretch wrapping machines, PP/PET strap tools and strapping machines. Our pallets include presswood, paper, plywood, plastic and metal pallets. Dunnage air bags are paper bags, constructed of 2, 4, 6, or 8 plys (layers) of paper, and designed with an inflatable internal polyethylene bladder.