ERP approval COB strip light adopted flip-chip on flexiable board technology.LED Chip is directly soldering and dispensing as a linear line without any gap by machine.Skyball COB strip light adopted roll to roll technology. Roll to roll die-bonding shorten the production process and improving the production efficiency as it avoid the handing loss and time wasting due to process transfer.Roll to rol lFPC avoid the hand fake welding and dry joint and insufficient soldering.lt make the quality very steady.The first pass yield of Skyball COB strip is 99.8%