Features: 
1) Torsion spring of ultra fine wire with wire diameter less than 0.1mm 
2) High precisio 

Features:
1) Torsion spring of ultra fine wire with wire diameter less than 0.1mm
2) High precision
3) Different torque
4) Under the current situation of spring industry, there are some difficulties in
producing torsion springs of ultra fine wire with wire diameter less than 0.1mm. By
possessing the latest 16-axes intelligentized machine, auto spring can satisfy
customers' high precision requirement