the products mainly consist of led solar energy lamp series, lamp bulb series, led surface plate lamp series, spotlight series, ceiling lamp series, lamp filament series, etc.
distance of direct radiation of lamp bulb is short, so that baking temperature is increased.
灯泡烘烤直射距离短,能有效提高温度;
the invention relates to a glass composition for use in a lamp bulb including cobalt oxide to provide a blue colored glass, which composition comprises alkali metal oxide including lithium oxide.