Spring washers, springs, tension springs, and torsion springs.
Materials: 70#, 65M, 304, 316

Tension springs, pressure springs, torsion springs, pagoda springs, and specialty springs in diameter from 0.2mm to 10mm

Spring washers, wave spring washers GB7246-87, curved spring washers GB7245-87, heavy-duty spring washers GB7244-87, and single coil spring lock washer for assembly GB9074.26.
Standard: GB, ANSI, BS, DIN, etc. In diameter from 2 to 30 are available.