... high efficiency, save energy, won't become yellow 1. Specifications- led downlight shanghai --Main Material: Aluminum alloy frame 100 ... ROHS, FCC ,UL,SAA Certification 3. Applications- led downlight shanghai 1. Factories, Hospital Lighting 2. Warehouse, Supermarket Lighting 3 ... Cotton,and PE bag.8.Cerfication- led downlight shanghai 9.Shanghai Goodsun Lighting Company FactoryHe is an experienced led ...