Jamna Auto Industries Limited engages in the manufacture and sale of tapered leaf, parabolic springs, and lift axles under the JAI brand in India and internationally. It offers parabolic and conventional springs for commercial vehicles. The company also provides spring allied components, including U bolts, bolts with nuts, spring pins, bushes, and hanger shackles; lift axle allied components, comprising air springs, steer dampers, bushes, wear washers, male elbows, bolts, castle nuts, cleveloc nuts, inner metal sleeves, and rubber bushes; trailer mechanical suspension products; trailer mechanical SPDs, which include brackets, equalizers, torque rods, bushes, rod pins, center pins, and U-bolts; bus air suspension products; stabilizer bars; and Z-springs. Jamna Auto Industries Limited was founded in 1954 and is based in Faridabad, India.