Dandong Hengli Heavy-Duty Automobile Spring Factory is a large enterprise specialized in auto leaf spring, parabolic leaf spring and Z-leaf spring. We have already produced automotive leaf springs for more than 10 years. The use of our products ranges from heavy-duty truck to light vehicle. Many of our products have been exported to Asia, the European Union, the Middle East, North America and other countries and regions. The materials we used are sup7 (60Si2Mn), sup9 (55crmn) and sup11A (50CrVA). Thickness can be allowed from 6mm to 50mm. Width can be allowed from 45mm to 152mm. Our products are made according to ISO9000:2000 management system. We ensure the existing process and continued improvement. Delivery time: 20-35days If you are interested in our products, please contact us for further information.