The QSAE10B35-B produced by Xingtai steel has stable chemical composition, good surface quality and high purity of steel. It can be used to produce 10.9 high strength bolts and other cold heading parts. A customer of Xingtai steel using this product to make clutch sleeve, used to replace imported materials. Customers reflect the product performance stability, low harmful elements, good cold heading performance, can meet the final product requirements.