you could tell us what and how many lampholders you want,then we could do accordingly,with CE and RoHs certification. LED Portable sample Case,Portble LED Light Case,led bulb suitcase we could do the case according to your design.1. Could compare the power consumption of the LED lamp with traditional lamp on the case. 2,. Could choose E27,B22,GU10,MR16,G9,G24,GU53,E40,T8,T10 tube........and so on ...