How did the trademark on the LED bulb go up?
And the use of silk screen or pad printing, this is the need for the corresponding ink, this solution with a dedicated solution can be dissolved, and also have some prominent hand touch.
Laser printing and screen printing, pad printing can be, look at the needs and equipment.
Laser printing equipment is generally printed up, so that the ridge up color is not so deep, but also can not wipe off
