Replace 200W Incandescent Light CE Certification 11W E39 Led Bulb

Replace 200W Incandescent Light CE Certification 11W E39 Led Bulb

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 pc

Supply Capability:: 20000 pc/month

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5.FAQ

We have organized several common questions for our clients，may help you sincerely：

①How about your company？

Old fashioned of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

②How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

How to know the three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.

Q: LED what is the glue between the aluminum base of the bulb and the cooling aluminum?: It's best to use heat conductive glue, such as ST922.

Q: What's the reason why LED bulb gets a lot of heat?: If the radiator has a large radiating area, the temperature is low

Q: Seeking the production process of LED bulb... Thanks: 10 points, Baidu wants to be a LED engineer. LZ is a real budget man

Q: What's the cause of the noise during the aging of LED bulb bulbs?: This should be the power problem. It's easy to make a noise because there are so many parts of the power supply.

Q: In a bulb, the ambient temperature of the LED is LED, the temperature of the air in the bulb, or the temperature of the aluminum substrate: The standard is the body temperature of the LED lamp. With a multimeter probe is placed in the LED lamp bulb angle can be measured temperature. Generally -20~80 degrees centigrade

Q: What is the AC voltage of the LED bulb?: LED lamp or constant voltage drive, generally through the drive circuit filter rectifier, LED bulb bulb AC voltage is generally 220V, power is divided into 3W, 5W, 7W, 8W, 9W, 12W and so on.

Q: Will the power of the LED bulb grow longer and longer? Why?: Voltage problems, as well as unstable factors.Long time no change, should

Q: LED what does "A60" mean by bulb 60? And what does "MR16" mean?: MR is a reflector that is represented by a plurality of reflector groups, and 16 represents the maximum outer diameter of 1/8*16*25.4=50

Q: Choose which light bulb LED bulb is the healthiest: For home use, you can select LED bulb below 8W, with a color temperature below 3500K

Q: Will the LED bulb, T8, T5 lights, radiator lamps, is the hotter the better? What's the regular temperature? What are the common heat release materials? Specifications?: If the material with better thermal conductivity, the lamp shell about 60 degrees is best.Reason:1: if the temperature is too high, that your radiator is too small.2: if the temperature is low, indicating that your calories did not lead out. (of course, if the radiator is too large and the temperature is low, but the bulb and tube are too heavy to pass by certification)

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