half spiral energy saving lamp 2,100% Tir phosphor ... 5,CE,(EMC ,LVD)ROHS,SAA,TUV, half spiral energy saving lampApplicationHome,hotel,restaurant,office,meeting room,shops ... to extend the lifetime of tube.After serviceWe give one year warranty to our customer from the selling ... dateQuality complain : We declare to all customers for one year warranty from the selling date ,any bad quality ...