Fullness
Beefing Up
noun, する verb
Allocate the truth more and more to make things better. The truth is, we need to allocate even more, until we've reached fullness.
じゅうじつ
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
お客様と末永い関係が築けるよう、充実したアフターサービスをご提供しております。
We provide good after-sales service because we want to build long-term relationships with our customers.