1.Passed the ISO9001:2000 2.Reasonable price 3.We can produce as your request 4.Use:Cutting metal material blade bear high hardness, good resistence to wear, as well as reliable quality and complete variety, meeting your reqirements.1. Material: 9CrSi, 6CrW2Si, Cr12MoV, H13K etc.2. Hardness:HRC50-63 for could shears,HRC45-63 for hot shears3. High precision surface,burr-free4. retangular section ...