Sangu Company Focus on middle-and high-power, high reliability of the LED package of R & D and manufacturing through our products to provide customers the best optical and thermal solutions for clients of the value chain to create the best results. Our products are mainly used in the semiconductor lighting source, high-power LED auto lights, high-power LED spot lights, LED tube lamps, LED street lighting, LED lighting in portable applications, high-resolution indoor and outdoor billboard applications, theme park and other special lighting applications.