Cheap LED lights is how to?

At present, there is a lot of cheap but poor market of LED lights, a lot of project procurement side, when choosing lamps and lanterns figure cheap bought inferior LED lamps and lanterns, the results after installation, frequent accident soon want to repair or change new again. At this point, reveal how those cheap LED lights made from? Many purchaser can choose cheap LED lights, but why don't want to think so cheap LED lights, for all qualified manufacturers, can make to accord with the quality of product? LED manufacturer does not really (after all, here in the most typical LED bulbs and LED ceiling lamp, for example illustrates its costs. Cost of the LED lamps and lanterns there are three main piece of lamp beads, shell, drive power supply. To get the lowest price do so only in these three aspects to do kung fu. Light bead are sold domestic 1 w lights, 2 cents, why two cents dare to sell? Lamp bead inside using copper instead of gold wire, other raw materials using inferior material substitution, the consumer can't detect, and nominal 1 w, but with the equipment testing may only 0. 5 w, and consumers are generally not to test. Shell with aluminum or plastics as a substitute for some corner, cost $1 to $3. Drive power supply in the market now inferior drive are sold to more than 1 piece even cheaper, do the manufacturer of LED lights do not know how many failures, and those who do inferior driven businesses for profit irresponsible, but don't know how much money. So calculate down, a 3 w commercial ceiling lamps, three lamp bead + a shell, a driver is made, we'll work it out: the cost of the intermediate goods: lamp bead ( 2 yuan) + shell ( 3 yuan) + driver ( 2. 8 yuan) + artificial ( 1 yuan) + packing ( 0. 5 yuan) Other (+ 1 yuan) = 10. 3 yuan. And businesses to make money, do not make money no one do business. Along with management costs, inventory costs and development costs, etc. , and business extraction by about 5%. You think about it, less than 10 yuan sold 3 w commercial ceiling lamps will be qualified products? Top grade 3 w commercial ceiling lamps reasonable price: lamp bead ( 6 yuan) + shell ( 5 yuan) + inner shell ( 2 yuan) + driver ( 5 yuan) + artificial ( 1 yuan) + packing ( 1 yuan) Other (+ 1 yuan) = 21 yuan, that is to say, is more than 21 yuan LED to shoot the light is normal and reasonable price!
do you still dare to choose low prices of the LED lamps and lanterns? Choose lamps and lanterns can't consider price cost, only the selected products of LED lamps and lanterns, to project was relieved from the trouble back at home.

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