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DoFo Spring provide win-win service in the manufacturing of custom coil springs, wire forms. For simple reference, we’ve included answers to some of the questions our customers frequently asked. For anything unsure, please contact us, and we will respond within 12 hours.

Q: What materials are available? Do they meet RoHS certification?

A: DoFo Spring are able to manufacture different spring types of compression springs, extension springs, torsion springs, wire forms with a large range of High Grade Spring Steel – Carbon steel – Stainless steel – Music Wire, all comply to the RoHS standard. The wire diameter are available from 0.001 inch to 0.075 inch, which can meet the requirement of different applications. All the spring material meet European RoHS certification.

Q: Do you support small quantity order or do you only accept large runs?

A: DoFo Spring manufacture large quantity spring, small quantity springs based on your demand.  We will work with you to choose the most effective solution.

Q: Does dofo spring offer DESIGN OR initial ASSISTANCE ON SPRINGS, wire forms?

A: Our engineers could help with design with the drawing and advise to lower the production cost. Our engineer have years of experience in springs design. We could provide drawing format in CAD, 3D and 2D design layout as well as prototype development.

Q: What is the typical lead time for custom spring, wire forms orders and samples?

A: The lead time varies in custom springs. For compression springs, extension springs, torsion springs, wire forms in our mold range, we are able to delivery within 25 days. However, for some complex shapes of springs, the delivery time would be around 30~40 days.

Q: Do you charge custom spring samples?

A: We make the custom springs sample charge as a subscription of formal order. In other words, the sample charge could be refund when we receive the order.

Q: If we order large quantity springs, will you house the springs, wire forms and ship to us based on a required basis?

A: Our warehouse provide specific stock service for long term business. You can make your shipment schedule on annual, monthly basis. We will ship on specific schedule.

Q: What payment term do we accept for spring orders?

A: We could accept payment terms based on T/T, L/C at sight, Westunion.