... 3,2years warranty,good after-service 4,Energy-saving,long life 5,CE&ROHS! High power LED streetlight ... control. And the technology research and development.4. Designing teamZhongding has an engineering and designing team ... !5. CertificateZhongding has got the certificate of CE.ROHS.and etcHigh power LED,LED we use ... CREE XR-E chips and VDE,CE,EMC improved constant current controller ;6.Showroom ...