For the regular Medical Spring product, the sample is free, but you need to bear the courier fee. Therefore, a quick account such as DHL or FEDEX is required. We beg you to understand that we send a lot of samples every day. If all shipping costs are borne by us, the cost will be very high. In order to express our sincerity, as long as the sample is successfully confirmed, the shipping cost of the sample will be offset when the order is placed, which is equivalent to free shipping and free shipping.

Dongguan Yongqiang spring hardware Co.,Ltd. is well-known in China market. The key competence of our company is an outstanding capability in manufacturing heavy duty spring. The Finish Turning Lathe series is widely praised by customers. Workmanship inspection for Yongqiang custom torsion spring will be seriously treated. The product will be inspected in terms of stitching, seaming, washing fastness, pressing, and other workmanships. The product comes with complex and diverse shapes. The product is easy to wipe and clean. People won't have to worry about getting stains out with an intense scrubbing session. It has great electrical conductivity and electric performance.

By upholding the concept of custom torsion spring, Yongqiang strives for the sustainable development in the industry. Get more info!