Dks Trays, As a Rule, Are Made of Galvanized Steel According to One of the Most Common Method of Galvanizing Steel — Senzimir. Such Hot Galvanizing Is Performed in Such a Way that Result is a Unified Layer of Zinc on the Surface of the Sheet. DKS Company All Customers Offers to Purchase Four Cable Trays Systems at Once. Note that each of these systems is unique and differ in the corresponting adowstages. TODAY YOU CAN Buy Trays with A Good Price At Any Time from the Company DKS.