Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
LED light source ①New green environmental protection light source: LED uses cold light source, with little glare, no radiation, and no harmful substances are generated during use. The working voltage of LED is low, and it adopts DC drive mode, ultra-low…
Advantages and disadvantages of LED lights * Heat dissipation problem, if the heat dissipation is not good, the lifespan will be greatly shortened. * The power saving of low-end LED lamps is still lower than that of energy-saving lamps (cold cathode…
Features of LED lights 1. Energy saving: The energy consumption of white LEDs is only 1/10 of that of incandescent lamps and 1/4 of that of energy-saving lamps. 2. Longevity: The lifespan can reach more than 100,000 hours, which can be described as "once…
What is LED light? The LED light is an electroluminescent semiconductor material chip, which is cured on the bracket with silver glue or white glue, and then connects the chip and the circuit board with silver or gold wires, and is sealed with epoxy…
The advantages of nitrile rubber gloves Nitrile-butadiene rubber gloves have a good protective effect against strong acids and alkalis, oils, etc., without harm, and the application of hypoallergenic technology in the production process can reasonably…
![[X]](https://www.sylodium.com/img/placeholder-400x286.png)
