Product Name: Compression Spring Extension Spring Torsion Springs Shape: Coil Production Process: Cold Roll Load Type: Extension Usage: Industrial, Auto, Motorcycle Material: Stainless Steel Function: Pressed Product Name: Spring Endurance Limit: 100000 Times Delivery Date: 15 Days OEM Service: Accepted Surface Treatment: Galvanized, Chrome Plate, Nickel Plate Trademark: huilida Transport Package: Carton or Bulk Specification: Unstandard Origin: China Product Description Product NameCompression springPlace of OriginRui'anBrand NameHuilidaStyleCoilLoad TypeCompressionMaterialStainless Steel, Carbon Steel Wire, Piano Wire, Copper WireUsageIndustrialEndurance Limit100000 timesOEM ServiceAcceptedSample DeliveryWithin 7 working daysExtension spring:This spring is used for motor cars, it is unstandard. We produce according to customer's drawings or samples. The material of it is steel. We also can make with spring steel. The finishment of it is pure green.FAQQ. When can I get the price?A: We usually quote within 24 hours after we got your inquiry. If you are very urgent to get the price, please call us or inform us in your email .Q: How can I get the quotation?A: Please send us information for quote: drawing, material, weight, quantity and request, we can accept PDF, ISGS, DWG, STEP file format. If you don't have drawing, please send the sample to us, we can quote based on your sample too .Q. Do youacceptthe OEM?A: OEM is welcome. We can custom the goods according to your design .Q. What is theshipping?A: By express(FedEx, UPS, DHL, TNT, EMS, etc...), By Air and By Sea .Q. How do I pay for the order?A: The common payments are T/T(Telegraphic Transfer), Western Union, Paypal .Q. I have an idea for a new product, but don't know if it can be manufactured. Can you help?A: Yes, it is our pleasure to work with potential customers to evaluate the technical feasibility of your idea or design, and we can advise on materials, tooling and so on .Q: What about the leading time for mass production?A: Honestly, it depends on the order quantity. Normally, 15 days to 20 days after receiving your deposit .Q: How if the parts are not good?A: We can guarantee good quality, but if happened, please contact us immediately and take pictures for us, we will check on the problem and solve it ASAP .