After sending off the Northwest Army, Jingdong Road returned to calm, and Zheng Fei ordered the Heavenly Dao Army to train diligently on the one hand, and strengthen public security in various places on the other hand, so as to maintain stability in various places. With the advancement of time, the migrated people of the original Jingdong and West Roads have settled down in various places and started a new life, and the people of the original Jingdong East Road have also truly felt the difference between the Tiandao Army and the original imperial court through a series of phenomena, and they have gradually accepted the Tiandao Army. In short, people everywhere live and work in peace and contentment, and they are working hard for the future.

The labor force hired by the Tiandao Army is also in full swing in all parts of Jingdong Road, and the work of "road repair" is the most beautiful among the several major projects carried out. Zheng Fei said, "If you want to get rich, you must first build roads." Under the guidance of this sentence, all places have put road construction in the first place, so that in the next few decades, the "road" of Jingdong Road is well-known throughout the country, and other places take three days to travel, and Jingdong Road can be completed in just one day.

Under the threat of Zheng Fei, the government and the army of the Song land around Jingdong Road did not dare to make it bad, and the goods of Jingdong Road were smoothly transported to the Song Land, and a large number of materials necessary for Jingdong Road were smoothly exchanged.

Naval training in Dengzhou and Jiaozhou Bay is also going well, and although there are no large boats, they can barely carry out training with the help of some small fishing boats.

According to the news that has been transmitted, several people have successfully found the whereabouts of Zong Ze and the Dengzhou army, and found the traces of dozens of shipbuilders in Dengzhou Port who were taken away by Zong Ze; found the shipyards in the seaports of the southern regions, and basically locked down some highly skilled shipbuilders; found Meng Kang, who was in the southeast, and had figured out his trajectory; Several groups of people are making final preparations for the "kidnapping operation", and they will only find an opportunity to "tie up" Meng Kang and the military craftsmen back.

And Zheng Fei was not idle, he personally took care of three things,

The first is Ling Zhen's firearms courtyard. Zheng Fei clearly told Ling Zhen, "I don't care about money, I can meet everything you need, I only have one requirement, that is, qualified firearms!" Ling Zhen was the most accomplished firearms master in the world, but he did not get the attention he deserved in the Tokyo Gunpowder Bureau, and he had been depressed for a long time, but now after coming to Jingdong Road, seeing that Zheng Fei attached so much importance to it, the salary was so high, and all kinds of things he hoped for were satisfied, and his mood gradually changed from the depression of being "kidnapped" at the beginning, and gradually turned into a kind of refreshing like a fish in water. At the same time, Zheng Fei used his mind beyond history to tell Ling Zhen many firearms concepts that will only exist in the future, which made Ling Zhen feel empowered and enlightened, and he took the initiative to devote himself to the research and development and manufacturing of new firearms without Zheng Fei's explanation, and almost every once in a while he could have a few newly developed things to present to Zheng Fei.

The second thing is about oil, Zheng Fei racked his brains to recall the geographical knowledge he had learned before, and roughly demarcated an area near the mouth of the Yellow River in Qingzhou, and sent a large number of people to look for oil there.

Zheng Fei speculated that this place was most likely the location of the "Shengli Oilfield" a thousand years later, and Zheng Fei also named this place "Shengli Oilfield".

Subsequently, Zheng Fei recruited a large number of local people who could extract oil, and formally established the "Petroleum Institute", which was responsible for oil extraction, although under the current technical conditions, only a small amount of oil on the surface of the land could be extracted, but the output was enough.

Zheng Fei recruited a large number of skilled craftsmen, after using their advanced knowledge to explain to them the various characteristics of oil and what uses they hope they can use oil, these skilled craftsmen began the first systematic study of oil by the Chinese nation and even the whole world, although no results have been achieved for the time being, but Zheng Fei believes that the great Chinese people who invented the four great inventions will be able to create a new miracle!

The third thing stems from one of the essential needs of every human being, and that is ...... Defecation.

Zheng Fei has been bothering him since he came to ancient times, that is, what to use to wipe his butt after pooping every time, in this regard, he first asked Zhang An, the guy of Weizhou Dried Meat, Zhang An told him a disgusting answer, "Wipe your ass?" Do you want to wipe your butt after pooping? From then on, Zheng Fei forbade Zhang An to sit in his home.

Then Zheng Fei went to ask Lu Zhishen again, and Lu Zhishen's answer was even more disgusting, "The Sprinkle family uses their hands every time!" From then on, Zheng Fei refused to have any contact with Lu Zhishen's hand.

Later, Zheng Fei asked more and more people, and the answers he got were also varied, in addition to "not wiping" and "hands", the vulgar ones would use blades of grass, leaves, ropes, and home-raised cats and dogs, and those with better conditions would use cloth, water, and toilet chips (toilet chips: the ancients polished wood, bamboo chips, etc., and used them to wipe the dirt after defecation, and washed them with water after wiping, which can be used repeatedly, which is a necessary thing for ancient civilized people to travel at home), Zheng Fei also tried to use toilet chips, and whether they were clean or not was not said for the time being, For Zheng Fei, who is accustomed to soft, comfortable and water-absorbing "toilet paper", this kind of hard and non-absorbent thing is simply unpleasant.

Why not use paper? Later, Zheng Fei learned that although papermaking has been extremely mature in contemporary times, paper is still a very advanced thing for the ancients, and the price is relatively expensive.

Zheng Fei didn't care about this, he still secretly bought some paper and cut it into a suitable size to wipe his buttocks, but he tried many kinds of paper, but it was either too hard or too thin, and the water absorption was still not good, so he could only use it reluctantly.

Zheng Fei has always wanted to make a kind of special toilet paper that is soft, moderately hard and thin, and has good water absorption to solve the problem of stool, but because he has been busy walking the world, even after going to Liangshan, he has not been idle, and this matter has not been done, and now settled down on Jingdong Road, Zheng Fei suddenly had an idea, if he can really make that kind of paper, while solving his own use, can it also be popularized and used to make money? Once this kind of comfortable toilet paper is acceptable, who wants to continue to use that kind of cool and hard wood?

Zheng Fei said to do it, he gathered all the papermaking masters in Jingdong Road, and expressed his ideas and requirements to them, the papermaking masters were surprised by this, but since Zheng Fei gave the order, they did not dare to disobey, dozens of people began to brainstorm, combined with their decades of papermaking experience, after a lot of repeated experiments, finally made the kind of paper similar to Zheng Fei's requirements,

Zheng Fei tried it and felt really good, but this kind of paper also has a disadvantage, that is, the manufacturing process is quite complicated and the cost is high, which is not conducive to large-scale production. So Zheng Fei allocated a large sum of money to these masters, asking them to find a way to reduce the cost no matter what, under the stimulus of money, the masters once again after repeated experiments, after replacing many high-value raw materials in that kind of paper with cheap straw, bark and other materials in the appropriate proportion, finally, a relatively low cost and basically in line with Zheng Fei's requirements of the paper was manufactured. And this kind of paper also has a characteristic, that is, because the water absorption is too good, it is very unfavorable for writing, which is also one of Zheng Fei's requirements, he wants to use this to separate this paper from the writing paper, in case some people think that this is a waste of paper and counteract it. System.

Zheng Fei first took these papers home for Li Qingzhao and others to use, they were very satisfied, Zheng Fei made a decision, officially set up a paper institute on Jingdong Road, specializing in the mass production of this kind of paper, and named it "Shu paper", as a result, this paper was launched, because it is not expensive, and it is indeed very comfortable to use, and it is really welcomed by the people, and it is sold out everywhere!

Zheng Fei then continued to expand the production scale of the paper yard, and began to export this paper to the Great Song Dynasty, as expected, this paper is also very popular in the Great Song Dynasty around Jingdong Road, and began to spread rapidly to the entire Great Song Dynasty with Jingdong Road as the center, and became a hot product in the whole country in a short period of time.

Although there are many old pedants and diehards who try their best to resist. To make such a thing, to think that this kind of thing was to defile the sacred paper, but their opposition was soon suppressed by an even more violent admiration, and people said, this kind of paper cannot be used for writing, and what can be done if it cannot be written? Wiping your ass, of course.

In the end, the old scholars also secretly bought some to use, and fell in love with "Shu Paper" out of control.

"Shu Paper" quickly became the absolute item exported by Jingdong Road to the Great Song Dynasty, and also earned a lot of wealth for Zheng Fei at an unimaginable speed, in exchange for a large amount of grain, grass and various materials!

Zheng Fei tasted the sweetness, and he set his sights on other "advanced" products, and for a while, all kinds of strange but very practical things were made one after another, such as soap, such as toothbrushes, almost every thing made would quickly become the best-selling product in the entire Song Dynasty, and Jingdong Road also quickly became rich by relying on these things.