When Zhu Yuanzhang went back, Lu Ning really kept his promise and directly asked people to pull the ice cubes of the top ten cars.

Then tell him that there will be more ice cubes to be shipped to Shangjing in the future.

Zhu Yuanzhang is really reliable, after he went back, he immediately used an urgent court mail of 800 miles to tell Zhu Quan, the king of Ning, who was stationed in the northwest, and asked him to find a way to get a large amount of Yanchuan stone liquid back.

After Zhu Yuanzhang left, Liu Changlu, who had just been promoted to the prefect of Changzhou, also came to visit.

He had heard about this a long time ago, Lu Ning would use an ice machine to make ice cubes, and this ice cube was not worth much, but what was the use of so much Yanchuan stone liquid?

Liu Changlu muttered while drinking the sour plum soup handed over by Fu Bo.

"I said, Brother Lu, we don't make ink, what are you doing with so much Yanchuan stone liquid?"

At this time, Lu Ning asked with a smile.

"Brother Liu, have you read the Mengxi Pen Tan written by Shen Kuo of the Song Dynasty, there are many knowledge of governing the world through economics, but it is not among the four books and five classics."

Listening to Lu Ning's words, Liu Changlu felt a little embarrassed.

I have been working hard to read the books of sages all these years, and I have only tested a meritorious name, if I even read other books, I am afraid that I will not even be able to mix up with people.

He shook his head very honestly and replied to Lu Ning.

"Don't tell my brother, I've been doing eight-strand learning all these years, and there are very few other books, which makes you laugh."

Lu Ning nodded, this is also a very normal thing, after all, the imperial examination in this era is the eight-strand text, if you learn something else, then there is no way to become an official at all.

"In fact, in this Mengxi pen talk, I mentioned this Yanchuan stone liquid, in addition to making ink, it also has a function called petroleum, and at the same time can refine a lot of things, one of which is called asphalt."

Every time he talked to Lu Ning, Liu Changlu would be pleasantly surprised, so he asked directly.

"What the hell is this asphalt? What can it do, I'm just a beginner, and everything can only rely on your guidance. ”

Lu Ning smiled, he felt that the chubby new prefect in front of him, although he didn't have any university questions, was also dedicated to doing things for the people, which had the basis for cooperation.

"I have built several cement roads in Changning County, in fact, if I am given enough Yanchuan stone liquid, I can refine asphalt, then I can build asphalt roads, if you talk about quality, it is much stronger than cement roads."

After hearing this, Governor Liu was directly stunned, and he immediately asked.

"Are you telling the truth? The cement road is already very amazing, and now with an asphalt road, our Changzhou Mansion has become the country's outstanding! ”

Lu Ning nodded, but he felt that it was enough to benefit the local area, and it didn't matter if Zhuo Yi was inappropriate, after all, the gun shot the first bird.

"So now what we have to do is to make a large amount of ice, and then transport it to Shangjing non-stop, followed by waiting for the Yanchuan stone liquid sent by my uncle, and we can start construction."

Liu Changlu said in his heart that such a big talent is in his own jurisdiction, and he really picked up a treasure.

"Okay, then we'll wait, when the time comes, my brother must have more snacks, let's build all the counties in Changzhou into asphalt roads, just say what you need, I will give you the greatest support."

Lu Ning explained to Liu Changlu again, and then told him that he asked him to find the construction team, and he would train him on specific technical problems.

It's not the first time I've cooperated with Lu Ning, Liu Changlu is simply familiar with these things, and there is no pressure at all.

"Brother, just rest assured, this matter is on me, and I'll wait for your asphalt to pave this asphalt road now."

Zhu Quan, the king of Ning, is also a very efficient person, and since he received the court mail from the imperial court, he immediately ordered someone to mine the Yanchuan stone liquid.

Soon, the first batch of Yanchuan stone liquid was transported to Yingtianfu, with as many as 20 carts.

And there are constantly mined and provided in the back, although it is not clear what the imperial court wants these things for, but Zhu Quan knows that this is an excellent opportunity to please his father.

The so-called King Yan is good at decisiveness, King Ning is good at planning, this His Royal Highness King Ning is not willing to be only a nine-sided king, as long as he has the opportunity, he will please Zhu Yuanzhang.

After all, he can also see that the eldest brother Zhu Biao has always been in poor health, and if he is in front of his father, then there will be an explanation for the ownership of the throne.

Zhu Yuanzhang didn't think about it so much, and after the Yanchuan stone liquid sent over was accepted by the household department, he immediately sent a more famous dart bureau to Changning County.

This is also the delicate point of Zhu Yuanzhang's thoughts, if these things are transported directly by the household department, then Lu Ning will definitely have doubts about his identity.

And if you change to a dart board to transport, there will naturally be no problem.

It was only a little more than a month after Zhu Yuanzhang left, and the first batch of Yanchuan stone liquid had arrived in Changning County.

Lu Ning couldn't help but sigh, his uncle is really a god, and his relationship with him must be not shallow, otherwise he would not have such a high efficiency.

So, he immediately began refining asphalt, and he asked Faub to find a few capable young men and teach them the technique of refining asphalt.

Things went quite smoothly, and in just a few days, the first batch of asphalt had been refined, and the construction was on the agenda.

Lu Ning was still very caring, not only informing the precautions and operation steps of the construction, but also drawing a design drawing for the route planning of Changzhou Mansion.

At this moment, Liu Changlu was so happy, Lu Ning's attitude of serving home made him, the prefect, not know how much worry he saved.

Soon after, several asphalt roads were repaired in the vicinity of the Changzhou Prefecture.

Liu Changlu took a group of subordinate officials to check, and everyone said that the asphalt road was smooth and smooth, the bearing capacity was strong, and it was very convenient to get up early in the morning.

All the officials were amazed, and they all said to Liu Changlu that they must find a way to ask for credit for Lu Ning, and this kind of credit cannot be compared to anything.

At that time, there were no slogans, otherwise they would have to be posted, and if you want to be rich, build more roads, have fewer children, and grow more trees.