After listening to Zhang Nan's words, Mo Zu and Bing Zhi's faces showed expressions of deep disapproval.

"Qingquan, we also thought of what you said, and now we are stepping up production, but we haven't made it yet." Mo Zu said with a smile.

Zhang Nan also scratched his head embarrassedly after hearing this, originally he still wanted to show off his IQ in front of Mozu, but he didn't expect that the people in the Tiangong Department had already thought of this.

"Okay, Bingzhi, you can make this thing well, I don't think it will take a while, you will definitely be able to have results." Zhang Nan said.

"Master Zhang, aren't you here to make it with us?" Bing Zhi asked strangely.

"No, you can do it first, I will stay in the Tiangong Department for a while now, and I am going to see Yuan Tiangang and Li Chunfeng now." Zhang Nan said.

Yuan Tiangang and Li Chunfeng are also in the Tiangong Department, and Zhang Nan has rarely come to the Tiangong Ministry, so Zhang Nan is not very clear about Yuan Tiangang and Li Chunfeng's chemical research.

Regarding things in terms of ingenuity, Datang has Momen here to support it, even if Momen has declined when Zhang Nan knew, but the emaciated camel is bigger than a horse, and the things accumulated over thousands of years cannot be discarded overnight.

But chemistry is different, Yuan Tiangang and Li Chunfeng are completely starting from scratch, which can be described as difficult, although both of them have shown extremely high talent and attainments in chemistry, but it is still not large.

After Zhang Nan handed over high school chemistry to the two, Zhang Nan didn't know the follow-up.

When I arrived at the Ministry of Heavenly Engineering today, Zhang Nan only remembered that there was still this matter.

Hearing Zhang Nan say that he was going to find Yuan Tiangang and Li Chunfeng, Mo Zu's face suddenly showed an expression of embarrassment.

"Qingquan, I advise you to come back to the two Dao Masters in a few days." Mo Zu said with a difficult face.

"Oh? Why is that? Zhang Nan looked strange.

"Eh, Lord Zhang, you don't know, these two will go crazy once in a while, and it won't take long for them to get better, and they've been sick again in the last few days, Lord Zhang, you'd better come back in a few days." Soldiers to the road.

"Bingzhi, don't talk nonsense, the two Dao Masters are fine, how can you say that?" Mo Zu hurriedly stopped.

"Where did I say it wrong, the two old Taoists are chattering all day, sometimes it is a spring breeze to people, and sometimes when they see people, they simply don't recognize their six relatives, last time a little apprentice of our Momen secretly flowed into the laboratory of the two Taoist masters, and was dragged and scolded for a long time, even the ancestor you can't come forward, what do you say is not crazy?" Soldiers to the road.

"Crazy? How can a good person be insane? ”

After listening to Bingzhi's narration, Zhang Nan also looked strange.

"I don't know, anyway, Master Zhang, you should go to them in two days." Bingzhi shrugged.

"It's okay, I'd better go find them myself, you just continue to study this thing, if there's anything that can't be solved, then come to me, of course, I'll stay in the Heavenly Ministry recently." After Zhang Nan finished speaking, he left the workshop.

Zhang Nan knew that Yuan Tiangang and Li Chunfeng's laboratories were there, and in order to meet the research requirements of the two old Dao An, Zhang Nan specially placed their laboratories in the corner of the Tiangong Department.

Although it is a corner, the environment is very good, not only there is a large bamboo forest, but also near a small river, which can be said to be surrounded by mountains and rivers.

But when Zhang Nan walked to the laboratory of the two Taoist masters in his memory, Zhang Nan showed a look of disbelief on his face.

Is this still the treasure land I chose? Where did the bamboo forest go? Why are the leaves yellow? The bamboo forests have turned into light poles, and the originally clear river now has a strange smell.

Before he walked into the laboratory, Zhang Nan smelled a smell that was difficult to describe in words, although it was not unpleasant, but it was definitely not enough to smell good.

After passing through the bamboo forest with only light poles, Zhang Nan stood at the door of the laboratory and knocked on the door.

After waiting for a long time, the door was opened with a "squeak".

Looking at the human-like creature inside, Zhang Nan also looked at it for a long time, and after looking at it for a long time, Zhang Nan realized that it was Li Chunfeng.

Zhang Nan rubbed his eyes, and a question arose in his heart, could it be that he opened the door in the wrong way? Traveled to another place?

Where did the original handsome and fairy-like Li Chunfeng go? Who is this man in front of him with yellow hair, a vegetable-like face, and a thin body? Originally, Li Chunfeng's robe was cut to fit very well.

Not only is it comfortable to look at, but it can also bring out Li Chunfeng's relatively strong body, but now the robe can only vaguely be seen that it was once and is a robe.

It used to fit well on Li Chunfeng's body, but now it is like a cloak, gently swaying with the breeze.

After a long time, Li Chunfeng recognized Zhang Nan, and then his bloodshot eyes suddenly lit up, Li Chunfeng hugged Zhang Nan in his arms and cried: "Qingquan, you are here!" ”

When Li Chunfeng was crying with snot and tears about his and Yuan Tiangang's academic problems, Zhang Nan couldn't help but keep his chest away from Li Chunfeng's face.

"Speak slowly, Daoist, what's wrong with you, why do I look at you This doesn't look like you're studying chemistry, but you want to practice some evil skills, and you've been taken away?" Zhang Nan looked at the originally chic and now greasy Li Chunfeng, and couldn't help asking.

"Ahem, ahem, Chunfeng! Where did you go?! Come here! Yuan Tiangang's voice came from inside the house, and Zhang Nan was at least ten years old when he heard this voice.

"Master, Qingquan is here!!" Li Chunfeng pulled Zhang Nan's clothes tightly, and it looked like Zhang Nan would run away if he let go.

"What!" Zhang Nan heard Yuan Tiangang's roar, and then there was a sound of broken glass in the room, which sounded like Yuan Tiangang broke a beaker or a test tube or something.

Soon, Yuan Tiangang stood in front of Zhang Nan.

Zhang Nan looked at the skinny Yuan Tiangang in front of him, as well as the malnourished Li Chunfeng, and then said: "Two Taoist leaders, is it that the Ministry of Heavenly Engineering won't give you food?" Do you still work as coolies day and night? How did you end up like this? ”

Unexpectedly, Yuan Tiangang waved his hand after hearing this, and then pulled Zhang Nan and dragged him into the room.

"Don't talk nonsense, come here, I don't know this chemical way, Chunfeng and I are going crazy by it!" After speaking, Yuan Tiangang took the lead.