XI&＃039;AN HAOTIAN OPTO-ELECTRONIC CO., LTD located in the advanced technology and industry development zone of xi&＃039;an city. As an excellent manufacturer with lights and service provide in energy efficiency especially in the line of domestic energy conservation, we mainly engage in energy conservation and lighting lamp, R&D in high power LED lights, professional committed to provice our customers with comprehensive energy efficiency services including R&D, making the energy efficiency programme, carrying with the project and running ensurance etc.