C824 Did I Succeed

Thinking of this.

Haotian immediately called Yu Jin and told him to contact the person in charge of smelting at North Realm and ask him to send the formula and technology over.

Yu Jin's efficiency was naturally unquestionable.

Very quickly, a pile of words and data was sent to Haotian.

After getting the goods, Haotian immediately called Ye Qingxuan. However