C513 It's Very Appropriate for You to be Husband and Wife

Chen Dafei nodded his head in a hurry, "Yes, I really want to call her right now and tell her about this news."

He turned to Yu Ying and said, "Chen Dafeng, now is not the time to be happy. Although you have found the method now, if you want to create these formulas, I'm afraid it won't just be a matter of a day or two."

Chen Da Fa nodded and said, "I know about that. It takes time