Web: www.weldedsteel-tube.com
WA: +86 15895686919
Jiangsu Hongbao Group, founded in 1958, is specialized in the manufacturing of Titanium & Titanium Alloy Tubes, Auto Alloy Tubes, Nickel & Nickel-based Alloy Tubes, Refrigerator Condenser Tubes, etc.
Step annealing of bearing steel tube enhances mechanical properties, improves machinability, and reduces residual stresses effectively.