1.Certificate:ISO9001.ROHS.CE.GS.EMC.CCC,etc 2.Technology:Advanced equipment and Self-development team Hangzhou Liangliang ... company has passed ISO9001, GS, ROHS, CE and CCC etc.2. Long life of more than 6,000 hours (8,000 ... temp-resistant engineering fireproof materials adopted.6. Used in factory, workshop, lobby, meeting hall, hotel, etc.7. One year guarantee. decorative plug in night lights