Bright Source Ltd was found in 1993, till now, it has developed to be a China battery operated light manufacturer with land space more than thirty thousand square meters, with workers more than eight hundred employees. As a professional battery operated lights, led necklace chain light, battery operated led light supplier of lamps and lights, we control the quality of our products based on qualified materials, top-grade production facilities, and quality inspection during the course of production till to the end.