Hardware slide rail 1.Samples:available. 2.Tight tolerance. 3.RoHS compliant ... InspectionIQC, IPQC,FQC,QA, 100% inspection before shipment.Measuring & testing equipment: projecting apparatus, roughness tester, hardness tester, concentricity tester ... service , timely reply and quickly action. 9) Measuring & testing equipment: Projecting profile, roughness tester, hardness tester, concentricity tester ...