Founded in 2006, Dominant Group Technology Limited (DGL) is dedicated to the design, development, manufacturing high power LED lighting systems for various lighting application markets. Our highly skilled Engineering Team has a history of meeting and exceeding customer expectations. By combining our world class engineering with a state of the art Thermal lab, DGL is capable of solving all thermal Management issues of high power LED lighting system. Compared to the traditional lamps, LED Lighting system can save above 60~80% energy. In 2008, DGL started to represent Chang Chung Biotechnology Full Spectrum lighting systems / water treatment system. Our goal is to design and manufacture more and more products for Energy-Saving, and dedicate to the environmental protection business.