... than 10 years production experience,5.Strict quality testing,good after-sale service,6.ISO9001:2000 certificate7 ... steel,alloy steel,stainless steel,cast steel,high tensile steel,steel tubes,steel pipe,steel bar,angle ... product performanceThe process of checking quality:1.Performance testing site2.The cutting workpiece:D12mm 201 Stainless steel3. ... cutting wheel for ferrous metal/high tensile metals