... size:Diameter 320mm. 2.Euphotic rate as high as 93%. 3.OEM service. 4.CCC. Indoor ceiling lighting quick details Brand Name ... C OR T/T PackingSafe packing or custom madeIndoor ceiling lighting main advantages1.The lamp cover adopts the in ternational ... plastics,the main advantages,less weight,high stvength,than strength.2.Equipped with electronic ballasts have,energy saving ,safety,lowtemperature, ...