A population of 3 million, there may be about 2 million in the future, a total of 5 million population, for the Dinghai Navy, will be a huge support, because the development of the three eastern provinces and the reduction of labor force has been made up, some of the lowest level, or heavy physical labor personnel, has also been effectively supplemented, more rigorously trained Dinghai personnel, will be engaged in more high-end work.

At the same time, this also effectively increases the base of the entire population, under the premise of ensuring a certain fertility rate, the larger the population base, the more the population increases, of course, for different races, there will be a certain amount of control, their labor intensity, is not suitable for a large number of births, but what about after that?

The excellent conditions of the navy, even if you are engaged in the lowest work, are just a little lower status and a little tired, but as long as you are willing to work hard, you can definitely rely on your own hands to support a large family.

No matter what kind of country, what kind of nation, life is always the first need, even food and clothing and the like, it is also one of the needs, even if the navy is treated differently, life in the navy is a thousand times better than in the hometown, how to choose is clear.

Under the premise of high welfare, coupled with education and other aspects to keep up, it will take a few years to integrate, and the influence of the Northern Song Dynasty at this moment is much stronger than that of the United States in later generations.

A large number of people, almost half of them, were transported back to Dinghai, and Dinghai had a huge population, especially in terms of the density of the city, even if a lot of factories were moved out, the remaining urban factories and other aspects of the demand were quite large, with a large population, and conducive to integration.

In addition to the needs of the navy itself, about half of the rest was transported to the northeast.

Although it is said that the Northeast has just been developed, but under the vast land and sparsely populated area, even if the population of 12 million is in place, it does not seem to be much, and the increase is inevitable, as for the problems that may arise, the Northeast is not afraid, here is currently the entire area controlled by the Navy, the number of troops is the most dense, through the army, as well as the arrangement of dispersing the differences, hundreds of thousands of people, can not turn over any ripples.

The attack on Korea and Japan was just an incidental, purely for the sake of gaining population, and this only lasted for a month, and the most important task of the navy at present was still placed in the northeast, and after the war between Japan and Korea, in addition to the 10,000 left, the others were also sent to the northeast, and by this time, the total number of troops in the northeast had reached as much as 700,000.

However, the role of the armed forces has gradually shifted from combat missions to construction.

The army before the Dinghai Navy was a relatively specialized professional soldier, but with the large-scale expansion, a large number of personnel were drawn from the militia and reserves, and many of these parts were from construction and production.

After ensuring the safety of the Northeast, especially in the adjacent places with the Liao State, the fortress was built, and personnel began to be gradually drawn from the middle to form various factories for construction and production.

In addition to being drawn from the army, the construction army directly transported from the Dinghai Navy has never ceased to increase, from 400,000 or 500,000 to 1 million, 1.2 million, and 2.4 million.

It is easy to do things with many people, even in the Northeast, which is not suitable for construction and survival in winter, as long as there are enough personnel, the speed of construction is also very fast.

After the initial landing in Vladivostok, not only Vladivostok was built, but also a large number of satellite cities were built around Vladivostok, and a large number of roads were built.

After this work, after spending the whole winter, the navy was able to attack quickly, and it took a suitable year to crisscross the entire northeast and grasslands, occupying 4 million square kilometers of land.

Not to mention whether the land is rich or not, not to mention whether the population is large, simply in terms of the area of the territory, it has surpassed the Northern Song Dynasty.

The territory is bigger, the demand for roads is higher, the requirements for logistics are quite high, the consumption of a war is much higher than before, if there is not enough logistics supply, it will be really miserable.

Millions of people, as well as a large number of advanced machinery and equipment, coupled with spare no effort to transport all kinds of materials, so that the northeast road like a spider web like an extension, may not be able to hit every city, with other cities, there is a convenient transportation network, several main roads through, but also from Vladivostok to the northeast at present, the major cities, extremely smooth.

Suihua, at present, is the core of the entire Dinghai Navy in the northeast, the traffic advantage is very obvious, to the current Dinghai control of most of the area, are relatively close, several main roads through, so that these can not be called higher roads, extremely busy.

In just six months, at least 30,000 kilometers of roads were built, a lot of manpower was used, and after the basic transportation was completed, the deeper development began.

At least 8 industrial bases, including 12 heavy industrial cities, will appear in the northeast, with different emphases, but the main production is similar.

Cement, lime, bricks, and, of course, steel mills, were all necessary materials for construction, and the easier lime and bricks were produced shortly after the landing of the Dinghai navy

The raw material of lime is mainly limestone, this as long as the lime ore is found, and then mined and crushed, this is the easiest, the Dinghai Navy already has a full set of various equipment, and even when it landed in Vladivostok, it has been transported over, as long as the mine is found, it can be placed.

The bricks are second only to lime, the technical content is slightly higher, and it is necessary to build a special cave and then equip it with machinery, which is also relatively easy, and the brick factory was put into use within 2 months of landing in Vladivostok.

Compared with lime and brick factories, cement factories and steel plants need a little higher technical content, the former is slightly better, there is lime, plus some clay, is the raw material for making cement, as long as the cement kiln is erected, plus machines and skilled workers, about a month after the spring of the second year, the cement plant also appeared.

The emergence of these three major building materials factories has provided great support for the construction of the entire Northeast.

During the period of passing through Jeju Island, Hokkaido, and Vladivostok, this route alone requires thousands of miles away.

These things are still heavy, large quantities, and if you want to build a road well, the necessary cement, lime and sand are necessary, and the weight required is an astronomical amount.

Dinghai, no matter how much it has a huge capacity, long-distance long-distance transportation also needs money, and, because of the development of the Northeast, the capacity is a little tight.

Personnel, machines, all kinds of logistics materials, and even some simple equipment, these things all need the capacity of sea vessels, even if the capacity of the navy is terrible, to support a transshipment of 12 million passengers, as well as huge, hundreds of cities, tens of thousands of kilometers of roads, these together, the pressure is not ordinary.

However, in order to ensure construction, steel, cement, lime and bricks, which were also sent with quality and quantity at the beginning, were slowly reduced until the Northeast could be produced by itself.

Lime, cement, bricks, which occupied a considerable proportion of the transportation force in the early days of the Dinghai Navy's occupation of the Northeast, that is, the reduction of these has increased a lot of things that the Dinghai Navy can transport, and the development of the Northeast has also begun to accelerate.

The first three, relatively speaking, are relatively easy to solve, and the last one is much more difficult, and the steel plant needs a much higher technical content.

Under the original technical premise of the Navy, the investment in the steel plant is not a problem, and even the Ryukyus can replicate the steel plant, let alone in the Northeast, as long as there are personnel, equipment, and raw materials.

The special location of the northeast makes it impossible to build a steel plant in the port, unless the navy can take Liaodong.

Vladivostok is too far north, and there are ice ages of almost four months a year, which is the key to the construction of steel mills.

Since the port cannot build a steel plant, in order to save costs, it is necessary to find a place close to coal and iron ore under the principle of proximity, which is not easy to choose.

However, the Northeast restricts the raw materials, the Northeast in the 21st century, has a large steel group, Fushun Iron and Steel Group, which is the largest steel plant in the country, but Fushun, too close to Shenyang, the Ding Navy is not ready, and the Liao State is hard-hitting, and the idea of taking the Tokyo of the Liao State, so the center of the Northeast is Suihua, which has no fame in later generations.

In addition to Fushun, the Northeast is actually quite rich, there is a lot of coal, just some mines that can be counted are a lot, in the determination of coal mines, and then determine the iron ore mines, there are some problems, in addition to Fushun, other iron mines Zhao Xin does not know much.

However, after carefully dispatching a large number of personnel and conducting a carpet search, the iron ore was finally found around Suihua.

In fact, the iron ore mines in Heilongjiang in later generations were distributed near Harbin, Yichun and Acheng, and even several large iron and steel groups with an annual output of more than 2 million tons were born.

At present, the steel production of the Jeongjung Navy has increased to 5 million tons after the Jeongjung itself shrank and the steel groups on Jeju Island and Ryukyu were opened.

In the future, the Northeast, as the core of the Dinghai Navy on land, will have a production capacity of more than 7 million, but this production capacity will not be fixed to an iron mine.

The Northeast is characterized by dispersion, perhaps in a region of tens of thousands of square kilometers, or even larger, with a series of small steel mills, with an annual output of 50 to 700,000 tons, but a more concentrated and excellent environment will make their costs quite low.

After finding a suitable location for the iron ore, it took a short time, and then, large-scale construction, some blast furnaces with higher high-tech content, were successively transported to the northeast, and through the difficult road transportation, and finally transported to the vicinity of Acheng, and then the first steel plant with an annual output of 500,000 tons was designed to start construction in July of the seventh year of Qingli.

This is a very large steel plant, and it is also a very small one, and it is very small compared with the steel plant of the Ding Navy, and compared with the relatively small position of the Ding Navy, but it is small compared to the large steel plant, but for this era, and even in terms of quality, it is very large.

In the past four years, with a far-sighted leader like Zhao Xin and a genius smelting expert like Niu Dali, with the joint efforts of both sides, and the progress of technological innovation in Dinghai, the smelting technology has been greatly promoted.

Oxygen blowing has been put into use, although the development of converter, there is no relatively high stability, but the use of some advanced experience, so that the 200-ton large open-hearth furnace put into use.

With oxygen blowing, the average furnace of steel has been reduced from the original 4 to 5 hours to about 100 minutes, don't underestimate such a small reduction, which means that the efficiency of this large open-hearth furnace has been increased by more than 2 times.

According to the 24-hour work system, aside from some necessary losses and consumption, 13 furnaces can be completed in a day, which means that 200 tons of large open hearth furnaces can be completed in one day, and the output of 2,600 tons can be completed in a single year, which alone can produce about 900,000 tons of steel in a year, which is equivalent to more than half of the huge steel plant of the original Dinghai Navy.

In fact, it can't be calculated in this way, the Dinghai Navy has not yet reached the planning and precise control, although the time of simple combustion and smelting is controlled within 100 minutes, or even faster, 80 minutes is about the same, but the preliminary preparation, smelting, and some of the inevitable consumption, so that the total time is about 150 minutes.

That is to say, 9-10 furnaces can be completed in one day, aside from some of the time that must be maintained, and then reduced by one-third, about 1,300 tons of steel a day, and almost 500,000 tons in a year.

A 200-ton large-scale steelmaking furnace can reach an output of 500,000 tons, which is still a conservative output, and if it is running at full capacity, it can even reach 750,000 tons, or even more, which is enough.

The whole project volume is relatively reduced, the construction difficulty and technical requirements are rising, near Acheng, a total of three 500,000-ton smelters will be built, corresponding to three large-scale minerals, respectively, the distance between each other is within 150 kilometers, it is considered a steel complex, which will be the most important steel base of the Dinghai Navy in Northeast China.

After the use of thermal weapons, the role of steel, not only did not decrease, but rose on a large scale, all kinds of logistics materials, equipment, weapons, etc., all need steel, put on the construction, the demand is greater, even if the transportation of lime, cement and bricks are reduced, but steel has always occupied more than one-third of the Dinghai Navy's transportation of materials to the northeast, the operation of the steel plant here in Acheng, so that this capacity has weakened on a large scale, and can make room for the transportation of other more important things, This is also a great boost to the situation of the navy in the northeast.