Our factory briefing youtube link: ***** We were throwing ourselves in LED industry from 1993, and capitalize more than 500 million dollars specific in manufacturing energy saving relevant products, right now we have more 300 employee in Taiwan & China, we dedicate ourselves in order to provide the best performance of power consumption of LED, and build up a professional lab to research, develop and examine our products, keep ourselves as a pioneer and leading the LED industry. Here is our advantage... 1. energy save up to 80% high intensity 2. 5 years life span 3. 110 lumen for each watt PFC is 90% 4. Instant start, no flicking, no humming 5. work under unstable voltage , no RF interference 6. circuit design each LED work separately avoiding the single broken LED in influence problem For more information please visit our website *****