... materials Shanghai Houlong Electronics Co., LtdBrand :MonsaMix-powder energe saving lamps/lightsSpecifications:Optional wattage: 45-85WOperating voltage: 220 to 240VFrequency: 50 ... company has an annual production capacity of 1.2 million lamps and lamp tools with LED as lighting source. We ... of products, such as 2U, 3U and 4U Spiral lamps, Straight tubes and Circular tubes.Service:1.inquiry will be ...