... foam,Pearl Cotton,and PE bag. 4.Applications- led downlight ceiling lamp 1. Factories, Hospital Lighting2. Warehouse, Supermarket Lighting3. ... Conference, Meeting rooms Lighting5.Why Choice us- led downlight ceiling lamp (1) High Energy Saving High luminous efficiency and ... LED. (8) Beautiful SurfaceUltra-thin design conception, New round and square shape.(9) Approved CertificationsAll product by CE, ...