... are Europe,South America,Middles East,Africa and so on.3.Products series:1.porcelain lamp holder:E10,E12,E14,E26 ... B22 etc.2.halogen lamp holder:GU10,GZ10,G4,G5.3,G6.35,G9,G12,G13,GY8.5,R7S,Rx7S etc ... .3.plastic/bakelite:E14,E26,E27,B22 etc4.metal lamp ... B22 etc5.porcelain conector:1way,2ways,3ways(5,10A,15A,20A,30A)6.lamp holder accessories:pedant lamp holder,cable strain ...