Features of lamp tray: 1) Metal base imported cool-casting iron sheet and shaped in one step,with high mechanical strengh.Surface with special coating which is rust-proof and looks smooth and nice. 2) Uses secondary relecting theory,increase the reflection effcience,and control the glaringniss.Lamp holder screw type design,which is easy to change the lights and shows the human being concerned idea. 3) Uses imported dust-poof and anti-static material,can choose the material of mirror aluminum,matte aluminum,stainless steel,organic sheet to meet different kinds of needed. 4) Uses JUNON brand high quality ballast which with steady lifetime,low tempreture,no noise and no flashing. . The other product model: CAT.NOPOWERMATERIALGRID PCS/CTNJL-QJM4X204X20WMIRROR ALUMINUMI/V2JL-QJY4X204X20WMATTE ALUMINUMI/V2JL-QJM4X404X40WMIRROR ALUMINUMI/V2JL-JqY4X404X40WMATTE ALUMINUMI/V2Remarks: Grid lamp tray including flush type and surface type. You can choose magnetic ballastand electronic ballast. our company main product: