Ying Luan's expression immediately became solemn, he stood up and knocked the smooth steel surface with his hand, "Miss Gongsun, I don't know if you ...... Is it appropriate to disclose, is it still iron ore? ”

Gongsun Yundan nodded, "Of course, this is not a secret, my steelmaking method does not belong to my own creation, but to the guidance of Mr. Mu Wei." When I first came, I heard that there was a new steel mill in our Weiyang city, and I thought it was really mass production of steel.

"Social Fear Engages in Infrastructure Construction in the Immortal Cultivation World" 158.The Invincible Legion is in the middle of the hand, please wait a moment,

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