Ningbo Joyee Spring Co.Ltd. has developed strong constantly and become a modernized professional spring manufacturer since it founded in 1986. Now there are over 100 staff members . It produces various kinds of springs with wire diameter of dia.(0.08mm)~dia.(8.0mm).
Equipped with over 150 sets of advanced numerical-control compression spring machines, numerical-control extension spring machines, numerical-control multifunction spring machines and numerical-control grinding spring machines etc. all kinds of automatic spring machines for more than 500 sets and over 10 sets of various testing instruments of springs.