... of the whole apperance, using high luminous efficient light guide plate ,which improves the brightness. (3) Usually our ... Pearl Cotton,and PE bag. 4.Applications- led downlight ceiling lamp 1. Factories, Hospital Lighting2. Warehouse, Supermarket Lighting3. Schools ... Low power consumptionGood function of heat dissipation ,improving the lamp's lifetime.(7) Unique DesignSpecial circuit design, each group ...