... the improved Buckle Technology of Circumference fin sheet.3.Connecting with the body of Aluminum alloy lamp and Fin through Soldering.4.Transmit ... heat rapid.5.This technology can help to lower temperature of the spot light, reduce the decay of LED,6.Easy to ... 2.Gymnasium, Sports Stadium Lighting;3.Building, Billboard Lighting;4.Gas Station, Garage Lighting;5.Park, Garden Lighting;6.Workshop, ...