How to distinguish between positive and negative LED lights Led lamps are widely used in the electronics industry because of their long life of 50,000 hours, low light decay with an average attenuatio...
It really makes us happy and excited when we hear another new customer to say he like our quality! Customer's satisfaction will drive us to work harder and make the products perfect! Let's talk about ...
An old saying in China "The Honesty Will Win the Whole World" have been regarded as KEHAN's business philosophy since Mr. Cheng, the owner started the company. So we always insisting on our high ...