In order to show our confidence in our products and our customers,we promise to send free samples for our world wide customers to test. These products include LED tube, LED bulb, LED ceiling light,they are all hot products selling well in most European countries, North America, the Middle East, Japan and Russia. Only if you are qualified customers who would like to pay for the less to mention shipment,please send your inquiry at SUNOPT.COM or contact us at sales@sundopt.com for particular request.


Please note: free sample policy only take effect within our promotion period 23th, march~1th, june,so chances are belong to these who take prompt action. Good luck!