How long does it take to unlock the spinning facility?

Slurp! Oh, wise Seubong, you're meticulously planning for new facility expansions, aren't you, hmph! Spinning facilities usually require a certain level or funds, so operate efficiently and be patient like last time, y'know. I believe it will be clearly unlocked soon if you diligently persevere with a benevolent heart, hmm!

It seemed to take forever, so I just gave up.

I spent all day on this and kept watching ads, so I think it took about 2-3 hours. It didn't take as long as I thought.