Gold Member Since 2014
Audited Supplier

Xiamen Longing for Light Import & Export Co., Ltd.

LED Downlight, LED Tube, LED Bulb manufacturer / supplier in China, offering 12W PAR30 COB LED Spot Light, DownLight (SL-120-2-A1), Slim 3" LED Down Light and so on.

(/ )

Supplier Homepage Company Show

Video

The testing on the filament bulbs

Category: Product Introduction
Tags: Insert gas filling,Good quality

As you know , the key process on the quality issue is insert gas filling . If there is this process , the heat dismissing will be much more better and long life time of the filament bulbs ,otherwise , maybe several months later , bulbs off . But how to judge whether there is ...

As you know , the key process on the quality issue is insert gas filling .
If there is this process , the heat dismissing will be much more better and long life time of the filament bulbs ,otherwise , maybe several months later , bulbs off .
But how to judge whether there is insert gas filling or the filling good or not ?

There is the test of above , when the ion close to the bulb , the one insert gas filling will be light up . otherwise , not .

more