SHANDONG SHANTAN AUTO PARTS COMPANY LTD, established in 1994, is a professional manufacturer engaged in research, development, production, sale and service of trailer leaf springs ,parabolic leaf springs and conventional multi-leaf springs. The wide product range is suitable for all sorts of vehicles, from the light-duty vehicles to the heaviest trucks. We are located in Zibo City of Shandong Province with convenient transportation access, which is near Qingdao port, one of the busiest ports in the world. In 2022, the construction of our new factory has been completed and we have introduced a series of advanced equipment, the whole production will be boosted.After the rolling and forging operations, the spring leaves are quenched and tempered to achieve the required mechanical properties,then shot-peened to increase the fatigue life. The high performances obtained enable a weight reduction and, as a result, allow the vehicle payload to be increased.Dedicated to strict quality control and thoughtful customer service, our engineering team can design and produce the finest leaf springs to meet the most precise specifications or tolerance. For 30 years, we are regularly catering to the requirements of our customers in 36 countries worldwide. We take special pride in our high quality standards and service reputation.Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can trust us.We coordinate the design, production, testing as value add services for our customers.