If they brought the formula for making glass to the northern border, it would be a disaster.
King Jin would definitely be eyeing it covetously.
But if they didn't use the formula there, it would be too much of a waste.
Then, they might as well give it to the emperor to generate income for the national treasury.
Regardless of whether it was for tackling King Jin or the Ge Kingdom subsequently, this would allow Daliang to deal with it more powerfully.
If they offered the formula these few days, at most King Jin would feel regretful.
Otherwise, when King Jin received news from Zhuo Jun that they had the intention to cross over, he would be suspicious if they offered the formula.
Xiao Hanzheng also shared the same concern with his little wife.
Shi Qingluo smiled and said, "You are really thoughtful."
She asked, "Are you going to enter the palace to give it to them, or how do you want to do it?"