... 1.thinkness:0.3-3.0 2.width:25mm-380mm Spring steel stripe SK4 1.Thickness0.3-3.0mm2.Width25- ... rendering technique and exquisite production technology, successfully developed a polished, gas white, blue, yellow and other colors of the strip, widely ... knives, blades, motor , deep red, automobile clutches, rolling doors, clocks spring, lock, footwear, textiles, and a variety of industry standard parts ...