By certification 
Stainless Steel Spring Wire (SPR)
Application: Springs
Steel grade: 302, 304, 316, 130M, 304ES, 201CU, 631, 200CU, 200CU-3, 200CU-1, D667, etc.
Wire size: 0.2-8.0mm
Surface: Brigth, Dull
Temper: as per JIS-WPA, JIS-WPB, JIS-WPC
Capability: Produced in accordance with the specifications of JIS, with stable linearity and excellent cast and helix, it can be widely used for rolling various precision springs.
Application: Springs
Steel grade: 302, 304, 316, 130M, 304ES, 201CU, 631, 200CU, 200CU-3, 200CU-1, D667, etc.
Wire size: 0.2-8.0mm
Surface: Brigth, Dull
Temper: as per JIS-WPA, JIS-WPB, JIS-WPC
Capability: Produced in accordance with the specifications of JIS, with stable linearity and excellent cast and helix, it can be widely used for rolling various precision springs.
