bonal technologies, inc. of royal oak, michigan, usa, is a wholly owned subsidiary of bonal international, inc., a publicly held otc company. bonal is the pioneer and world's leading provider of sub-harmonic vibratory stress relief and weld conditioning equipment for metal - "meta-lax." besides manufacturing meta-lax stress relief and weld conditioning systems, bonal also manufactures pulse puddle arc welding (ppaw) and black magic - the ultimate distortion controller equipment. bonal equipment has been beneficial to the automotive, aerospace, defense, shipbuilding, machine tool, plastic molding and die casting industries.

bonal's equipment is sold throughout the world through a network of national and international distributorships. bonal's product line of meta-lax equipment includes a full compliment of economical systems from manual documentation series to the semi-automatic graphic documentation series, to the computerized state-of-the art system. the benefits of distortion and cracking control in metal parts are gained better, cheaper and faster than most alternatives. the ppaw equipment has been desigend to be used during welding to prevent weld distortion and weld cracking. the black magic equipment can treat parts up to 300 lbs. before finish machining to control distortion.