China manufacturer of magnetic ballasts for metal halide flood lights & hps flood lights

Electronic ballasts difference of raw materials and production process:
James lighting energy-saving lamps,its materials, technology, equipment and quality control measures are good, we open the energy-saving lamps can see the orderly arrangement of the circuit board components, components look very good, and then look at the circuit board solder joints should be the same size, plump and shiny, does not exist joints weld, false welding, as well as circuit boards Rocker skin phenomenon. Poor energy-saving lamp circuit board components stagger components because of poor quality, the appearance of good sense, negative spot size is inconsistent, solder no gloss, circuit board copper foil with Rocker leather and so on.