... emitting directions•Constant LED forwarder current during tube operating•Temperature difference less than 10°C ... UL, CE, RoHS approved About factory:•Complete production lines, including SMD LED, Tube series, Flexible LED stripe series, ... and American HELLER solder reflow.•ERP system for factory management.•Professional production , R&D and SALSE ... CE/ROHS approved T5 led tube with al holder-integration