About T4/T5 Energy Saving Lamps: 1.Substantial energy saving up to 80%; 2.Tube :100% Tri-phosfer; 3.PBT lamp shell material; 4.Service life--8000hrs; 5.Power:8w to 54w 6.Luminous:60LM/W; 7.Rendering Index:80Ra; 8.Color:2700k-6400k; 9.Certificate:CE,ROHS,UL,FCC,Energy Star 10.Minimum Order:500pcs. Here is the brief introduction of our factory: 1. Established in 2000,and located in Longgang district,Shenzhen,with ISO9001 approval; 2. Over 1000 workers totally; 3. Business Range: energy saving lamps(2U,3U,4U,5U,6U,8U,Spiral shape,Semi spiral shape,GU10,Candle shape,Mushroom shape,Globe shape,Bullet shape,Bug shape,Fluorescent Fixtures T4 and T5,Down lights,etc;Wattages:from 3watts to 300watts) ,electronic ballasts,electronic transformers 4. Daily output:60000pcs Energy Saving Lamps,10000pcs high power electronic ballasts,10000pcs electronic transformers; 5. Main markets are in Europe,North America,and Middle East,all the products are with CE,ROHS,FCC,Energy Satr approval,and main products are with UL,KEMA approval; For easy reference, you can visit our website: If you are intereated in any of our products,please do not hesitate to contact Kevin.