We can do it as per your requirement,the following simple drawing is for your guide.
d-wire diameter:________ mm
D2-spring out diameter:________ mm
H0-free length:__________ mm
N-total number of coils:________
Brand "Lihuan" Serial Product Cover Spring and Stamping Part,Such as Compression spring,Tension Spring,Torsion Spring,scope of application:many types of vehicles, locomotive,elevator,switch,shock absorbers,industrial brakes,mining machinery,rocking horse.
the most advanced technological levels in the world:We have engineering staff and computer software to offer design assistance, problem solving, and prototype production.
Advanced testing mcahine we have world-class testing machine,such as spring tension and compression testing mcahine controlled by computer,metallography microscope