Langtao Lighting Technology Co.,Ltd. Is specialized In R&D ,assembling and selling of High Power LED with technical Support services.Our LED chips are manufactured in New York, USA,And assembled in Korea and Germany. Marketing and technical Support offices were setupin Hong Kong and Shanghai. Our main high power LED products are:1W,3W,5w,10W,20W,30W,50W,70W,100W,150W,200W,500W,1000W.Further we also offer suitable radiators, optical cups and transformer.The products can be applied in indoor & outdoor lighting applications.Some of our products have got international patents.Apply the new LED lighting technology to save today’s dwindling energy and environment