Jiangsu Rongfa Metal Technology Co., Ltd. specializes in manufacturing shell shaft forgings, widely used in marine propulsion systems, large pumps, offshore engineering equipment, and heavy machinery transmission applications. As critical power transmission components, shell shafts must withstand complex torsional, bending, and impact loads. With an integrated production line covering forging, heat treatment, machining, and inspection, the company ensures dimensional accuracy and internal quality. All products undergo rigorous NDT and mechanical property testing, with complete material traceability. Products are widely applied in shipbuilding, offshore engineering, oil drilling platforms, large water pumps, and mining machinery, earning customer trust through reliable quality and on-time delivery.