42CrMo, F304,F316 forged rolling ring with stainless steel

we are professional in die forgings and castings,ring,shaft,gear,flange,cylinder and other products. Our goal is not just providing products, but also providing a complete solution including product design, tooling, fabrication and service for our customers to achieve their uppermost satisfaction. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero ...