BZZ produces custom alloy springs, including nickel-based alloy springs for aerospace and naval vessel systems requiring fatigue and corrosion resistance.

The main materials used are nickel-based alloys UNS N07750 (Inconel X-750) and UNS N07718 (Inconel 718), and stainless steels UNS S17400 and UNS S17700. The spring types include helical springs, torsion springs, clip springs, leaf springs, and disc springs.