In order to confirm that our data on Electronic Spring is reliable, we turn to the third party for product testing. For Dongguan Yongqiang spring hardware Co.,Ltd., third-party certification is beneficial to controlling product quality and establishing a brand image as well as reducing costs and improving efficiency. This valuable endorsement for the product performance must give our customers extra reassurance that the products have been rigorously tested to industry standards. If you have any suggestion about the third party in terms of quality assurance, please contact us.

As the increasing sales number shown to us, we believe Yongqiang is a promising enterprise. Yongqiang's automobile hardware series are created based on unremitting efforts. Defects exclusion work for Yongqiang heavy duty spring will be carried out. The product will be inspected in terms of shades, holes, defective stitches, stains, and loose threads and yarns. It is manufactured in strict compliance with environmental protection requirements. The product is distinguished by fatigue resistance. It has maximum stress which can withstand repeated work or alternating load condition. The product has received wide recognition for its moisture-proof performance.

our team hold the business concept of automotive hardware kits, our products won a great popularity among customers. Get price!