Nanker LED Lighting Nanker LED Lighting is a division of Nanker (Guang Zhou) Semiconductor Manufacturing Corp. specializes in R & D, manufacturing , sales and service of semiconductor lighting products . Since 2005 , Nanker LED Lighting has been dedicated in R & D in the field of LED lighting technologies and products such as LED street lights , LED factory lights , LED ceiling lights , LED tunnel lights , LED desk lamps , LED bulbs etc., and obtained several world 's first invented technologies and numerous patents mainly in the following areas: 1.The world's first use of all series high voltage (300 or 400 V) light source using VLSI IC packaging technologies.

2.The world's first high-voltage constant current source devices and a driving circuit with both constant voltage and current features.

3.The world's first rod-like heat sink structure used in LED lights.

4.The company uses optical lens to improve the effective usage of light source to more than 70% and light uniformity to achieve more than 0.6.

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