... making CFL energy saving lamps and CFL related products. Such as CFL ballast , diode, resistor, e- cap transistor, fuse, inductor, ... the name to CHANGSHA J & W ELECTRONICS CORP. in 2004, as a private company. with 2 branchES company . SHANGHAI J & W INDUSTRIAL ... in separated forms. 4, Energy saving lamp related components, such as fuse , fusiable resistor, wire connected with fuse , diode 1N4007 ...