Dongtai Tianyuan Fluorescent Materials Co., Ltd. was established in 1994 and has been specializing in manufacturing rare earth phosphor powder with more than 15 years experiences and energy saving lamp since the end of 2005. The main products of our company are tricolor phosphor powder, like 2700K, 6500K, and different shapes of energy saving lamps, like U shape energy saving lamp, spiral shape energy saving lamp, candle shape energy saving lamp, umbrella shape energy saving lamp and lotus ...