... raw materials,fluorescent lamp related raw materials 1, SKD CFL lamps have glass tubes glued with lower plastic covers, electronic ballasts ... B22 and also E27. 2, Separated parts for energy saving lamps, like made up glass tubes, electronic ballasts, plastic covers and ... tubes, filaments, fluorescent powders, stems and so on.6, All HID lamp related materials, like hard and soft glass shells, arc ...