... spiral type and lotus type.2, SKD CFL lamps have glass tubes glued with lower plastic covers, electronic ballasts separated, ... .5, All CFL lamp related raw materials and machinery, like clean glass tubes, stems, filaments, triband powders, gluing cement, electronic ballasts ... All fluorescent lamp related raw materials, like G13 caps, soda glass tubes, filaments, fluorescent powders, stems and so on.7, ...