Hardware slide rail 1.Samples:available. 2.Tight tolerance. 3.RoHS ... ,etc.Quality ControlConducted by ISO/9001:2008 and ISO14001:2004 system.Applicationsautomobile,machine, equipment, project, marine, construction, mining, ... before shipment.Measuring & testing equipment: projecting apparatus, roughness tester, hardness tester, concentricity tester etc.Payment term50% in advance, 50% before shipment. ...