Polyvance, formerly Urethane Supply Company, specializes in the manufacture of plastic repair and refinishing products for the automotive collision repair industry. It pioneered the repair for polyurethane bumpers in the early 1980's and introduced the nitrogen welding process. Polyvance focuses solely on plastic repair and refinishing, providing tools, materials, and training for repairing various plastic components like bumper covers, dashboard restoration, and other automotive plastics. The company is dedicated to advancing polymer repair technology and offers a wide range of products such as welding rods, adhesion promoters, fillers, plastic welders, and repair kits to assist collision repair shops and DIY enthusiasts in repairing plastic components effectively.