... .Durable Performance sliding door wheels Specification: 1. Application scope: UPVC & aluminum outward ... : EquipmentCNC stamping/punching machine, CNC bending machine, CNC cutting machine, 5~250 tons punching machines, welding machine, ... anodize...Making processStamping, deep drawing,bending, punching, laster cutting,threading, welding, tapping, riveting, grindingInspectionIQC, IPQC,FQC,QACertificateISO ...