A leaf spring with leaves rolled through most of its length so the thickness distribution throughout the leaf will result in a constant distortion rate when load is applied. This improves energy absorption rate which makes it possible to reduce the number of leaves resulting in lighter weight (compared to Multi Leaf Spring). It also makes possible to create gaps between the leaves which helps prevent corrosion.

Dear motherland, today is your 75th birthday, I wish you as bright as the sun, like a flower bloom. Under your protection, we are happy and safe. I wish you...

On December 30, 2022, the Torch Center of the Ministry of Science and Technology of China announced the list of the first batch of high-tech company in Henan Province in 2022