1.Are you the factory or trading company ?
Yes sure, we have own factory. We are a worldwide LED manufacturer, which specialize in developing, producing and selling for LED lights.
2.What’s efficacy about the light ?
The light output of a light source divided by the total electrical power input to that source, expressed in lumens per watt(lm/w).
3.What’s your shipping method ?
UPS, DHL, Fedex, TNT or Shipping by Air or by sea