Complex sentence: They add text LADKRABANG into their logo in 2015 because Thai Honda factory located on Ladkrabang and they change their logo's background color from white to gold in 2017.
Split into simpler sentences: They add text LADKRABANG into their logo in 2015 because Thai Honda factory located on Ladkrabang. And they change their logo's background color from white to gold in 2017.