... 6500K 3) Ra:over70 4) CE,UL,Rosh,professional manufacture The LED Circular Tube Feature:1,high brightness led tube light2,fixture ... curve of spectrum and chromaticity diagramThe LED Circular Tube Applications:1. Living room, bedroom, kitchen, washroom; 2. School, university, ... new energy and products......The company has more than a group of senior technical personnel and senior designer, has produced ...