... ISO9001:2008 4.material :Spcc/SECC/AL good quality stainless steel cable tray:1process cutting,punching,bending,deburring,stamping,welding,pretreatment,assembling ... stamping, deep drawing , spot or seam welding are available 6.EquipmentWe own laser machine 2 sets, CNC punch machine ... .as a manufacturer,we will offer you good quality with competitive price,high technology products,and fine management as ...