stainless steel cable tray : 1.we are manufacturer 2.OEM service available 3.ISO9001: ... steel cable tray:1process cutting,punching,bending,deburring,stamping,welding,pretreatment,assembling,etc 2materialstainless steel, iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy ... our company. our products show: good quality stainless steel cable tray