A)seem at the packaging. Firstly, packaging and printing should really give an individual to clean needs to be marked using the names of manufacturing enterprises; secondly, you should get a CE mark certification and vitality efficiency labeling for level one or degree two; and last but not least, to pick the best energy, shade temperature
B) see bulbs. The appearance of energy-saving lamps really should be clean and neat, clear indicators; the lamp bulb should be smooth, inside the tube fluorescent powder coating really should be evenly with no particles, and bent glass and the fluorescent powder layer need to not as well thin or shedding; hand shake lamp, lamp and lamp shell connection need to not loose, the internal should be no abnormal sound; lamp holder and lamp should not be inclined; the threads of your lamp holder need to be smooth and tidy, lamp cap solder really should be smooth; really hard twist the lamp holder and also the lamp shell linked really should be strong and reputable. The pilot light.
Initial, the lamp is screwed in to the screw out the lamp should be smooth;
Second, around the energy, the lamp is near to the plastic shell on the web page really should not seem, there really should be no sound, ought to not seem flashing phenomenon, which can smooth light;
Third, light soon after the lamp shouldn’t be rolling. Large – grade light itself is much more dazzling, pure color, lower light shade is gray. The powder layer with the spiral tube isn’t resulting from significant and uneven stripes;
Fourth, flip off the electrical power, the lights should not appear back flash
C), contrasting selling price. The rate of energy-saving lamps and brand, excellent, type, power and so forth. 10 watts following the U shaped energy-saving lamps costs beneath 10 yuan, the price of spiral tube energy-saving lamps during the following 2USD, normally minimal grade goods
D), pay attention to electrical power. Public locations for that use of energy-saving lamps in huge quantities, should really acquire high power aspect of energy-saving lamps.