- Standard process treatment, no trachoma and black spots on the surface of the spring after repeated polishing, making the surface round and smooth.
- Good elasticity, made of iron sheet + nickel-plated material, which makes the spring more elastic, fatigue-resistant, and full of elasticity.
- Nickel-plated steel strips for high-quality batteries, etc., have low impedance, good conductivity, and excellent weldability.
- Suitable for your remote control, electric telescope, multimeter, battery powered radio, clock, battery charger, LED lantern, and anything else powered by batteries.
- Applicable to all kinds of electronic and electrical products.