... E27 2.Material:aluminum+PC cover 4W High Quality Aluminum Led Bulb Llight LED Bulb Specifications:1,Material: aluminum+PC cover2, ... 320lm LED Bulb Features:1,Simple and elegant design, different led brand for your choice2,Good quality high power led, high quality plating ... Advantages1.Experienced technical staff 2.Advanced equipment 3.High quality 4.Experienced R&D department 5.OEM accepted ...