... clean 1.the material: stainless steel 303/ 304, durabel and good corrosion.2. process: tube/rod + cnc machining3. torlerance ... :FC dimensions 0 defects,high precision in cleaness and roughness..4.durable,weldable,flexible,human-based,light5.economic ... steel 304,303,316,316L2.processcnc machining,cnc turning and milling3.quality controlfc dimensions 100 percent inspection4.strengthsspecial process ...