Custom-Made Spring And Wire Forming Manufacturer

Extension Coil Spring

For many years, we have been providing customers with high-quality Extension Coil Spring. As is well known, tension springs also belong to coil springs. Many overseas customers come to us for customized springs, and due to our price and timely delivery, customers have praised us greatly.

Extension Coil Spring Manufacturer

Material	Spring Steel wire,304/303/316Stainelss Steel,Music wire,copper wire, Phosphor bronze Wire or any available wire.
Finishing	End rounding,polishing, electrochemical polishing etc.
Process	CNC Spring bending
Application field	Electronic spare part,furniture parts,cellphone parts,auto hardware parts,gym equipment fittings ,etc.
Surface treatment	Anodizing, Polishing, Powder coating, Passivation, Sandblasting, Nickal plating, Zinc plating, Chrome plating, Heat treatment, Oxidation
Application	Electronic, auto, electric appliance, electrical machine, toy, medical treatment, loudspeaker box, furniture and fitness equipment and other industries.
Extension Coil Spring Design	According to customer drawing or sample
Equipment	CNC spring machines,CNC punching machines, CNC milling machines, CNC turning machines, CNC machining center, Automatic lathes, Linear cutting, Grinding machine etc.
Standard	JIS, DIN, ANSI, EN, etc.
Tolerance	0.005mm – 0.01mm
Surface Roughness	Ra 1.6 -3.2
Software	Auto CAD, Solid work, UG: PDF, DWG, DXF, IGS, STEP, SLDPRT
Packaging	Foam polybag + Outer -Standard Carton Box/Carton Box with Pallet + Stretch Film
Delivery	10-25 days after receipt of customer’s deposit
Main markets	U.S.A, England, Spain, Germany, Italy, Switzerland, etc

Why choose our Extension Coil Spring

1.The new samples will be rebulid for customers if the old samples can not meet the requirements of the drawings or samples from the customers.

2.The qualitified products will be re-sent to the customers if there comes to 5% unqualitified goods in the mass production we send to the customers.

3.Our sales team will answer the complaints from the customers with 12 hours.

To protect our customers’ profits is our factory’s main culture,and we are working together with our customers to make our after service better and better.