After receiving the news of the iron ore and coal mines, Zhang San immediately decided to return to Beijing, and the Ryukyus side first carried out the preparatory work before mining, such as repairing, tidying up the land, digging the mine hole, and then building housing in the mining area, etc., as well as a series of factories such as coking plants, mineral processing plants, refractory brick factories, pig iron smelters, blast furnaces, steelmaking open hearth furnaces, etc.

Zhang San needs to return to Beijing to transfer a group of craftsmen from his own workshop, and then he needs to get a group of miners from other mines, and also a group of craftsmen from other smelters, in short, even if it is only a small-scale mining, only to meet the needs of Ryukyu Island's own use, a steelmaking plant needs at least 10,000 craftsmen or 20,000 people, as well as tens of thousands of slave miners.

It's just that after successive arrests, there are very few savages in northern Ryukyu, and Zhang San has to continue to expand the search range, but the benefits of this are also obvious, and now there are no savages in the entire northern Ryukyus, and Zhang San's sphere of influence has advanced to the Taichung area.

Zhang San brought all the management of the Ryukyus over, assigned the tasks for the next stage, arranged the next stage of work, and still had the experience of setting up a management committee on Sea Shark Island, and Zhang San established the Ryukyu Management Committee.

Gan Xingtai served as the commander-in-chief of the navy, Wang Huan served as the commander-in-chief of the defense of the Ryukyus, Wang Yin served as the commander-in-chief of the Marine Corps, Wang Jin served as the law enforcement officer, Lehe served as the chief logistics officer, Pang Wanchun served as the commander-in-chief of the savage capture team, and Wu Decai was transferred to the Ryukyus as the chief of production.

Civil affairs has always been Zhang San's heart disease, now Wen Huanzhang has not completely returned to his heart, Zhang San had no choice but to set up a management committee, in addition to the sea shark island those Weiyuan, Zhang San also transferred a group of students and found two teachers from Yixue to form a new civil affairs management committee.

In the past few months, Zhang San has worked hard to teach them some management experience, although Zhang San has no experience before, but after telling them the way to do things and the reason for doing so, they can also slowly realize some of their own things.

Anyway, Zhang San doesn't expect them to innovate anything, as long as they can guard the door and don't make trouble, they need to grow, Zhang San also hopes that there will be a few talented people in his team, after all, there are two hundred thousand people, and there should be a few geniuses in it.

The production of sugar entered a stable period, producing 10,000 stone a month, of which 5,000 stone were sold to various parts of the Great Song Dynasty, and the remaining 5,000 stone were sold to merchants from other countries, and Zhang San was able to obtain a profit of more than 300,000 yuan per month alone.

The production of soap has not yet started, but the experiment has been successful, and the original soap is said to need to stand for a month, so the first batch of soap will be returned to Beijing with Zhang San for trial marketing.

The glass has been able to be burned, but the manufacture of glassware is indeed not so smooth, the first is that the shape is not easy to control, and the second is like the canned bottle threads of later generations, even if they can be made, Zhang San is not rich enough to seal them with iron.

With cork, this kind of primitive glass is relatively brittle, and it will break if it is used hard, and it is easy to leak if the sealing is not tight, so the glass produced by Zhang San has not been put into practical application.

The cultivation of chili peppers has stopped, and the dried chili peppers are hoarded on Sea Shark Island, and they are successively shipped to the capital for sale, Zhang San plans to immediately plant them on a large scale in Tainan next year, and then not only can they be sold to the whole country, but also sold back to Europe.

After the launch of whale oil, it was really hot, but the market for high-grade lamp oil was not large, so the scale of whaling has not expanded, Zhang San still has some scruples about large-scale whaling, although Zhang San estimates that there are many whales in the world, but Zhang San still decided to control the scale of whaling within 10,000 heads.

However, now Zhang San only has five whaling boats, and the most whaling is only one or two thousand a year, but Zhang San still decided to change places every year in the future, such as fishing in Tainan next year, fishing on Sea Shark Island the year after next, and Jeju Island the year after tomorrow.

Now Zhang San has set up a fish canning factory on Sea Shark Island and Ryukyu, the real meat is cheap and affordable, and the sales of it to inland cities have been good, Zhang San has increased the production of fishing boats, and wants to take advantage of the Chinese New Year to sell a little more, and also give some benefits to the workshops in Tokyo, after all, Zhang San can't afford to eat pork after the number of people increases.

There is also private salt, since Zhang San mastered the supply channel of private salt, Zhang San's private salt can almost be sold to Lianghu Road in the south of the Yangtze River, and nearly four or five million people eat Zhang San's private salt.

So did Zhang San get rich? However, no, the official price of a bucket of salt in the Great Song Dynasty is only about 300 Wen, a bucket of ten catties, and a pound of salt is 30 Wen, how can you sell private salt cheaper than official salt, right? Twenty wen a pound.

Twenty pounds? That's the retail price! You can't sell it so expensive as a wholesaler, or people will make a fart? So Zhang San can only sell about ten wen a catty, how much salt can a person eat in a month?

Modern scientific research suggests that a person should not consume more than six grams of salt a day, but the Chinese have a heavier taste, generally more than ten grams a day, the ancients participated in more physical labor, the consumption of salt is a little greater, twenty grams a day should be enough, right?

Five million people are 100 million grams a day, 100 million grams is 100,000 kilograms, and one kilogram in the Great Song Dynasty is 16 taels, not to mention, it is calculated according to the fact that one kilogram is equal to two kilograms, 100,000 kilograms is 200,000 kilograms, one kilogram is 100 yuan, and 200,000 kilograms is 2 million kilograms.

The money has always been 770 yuan, and 2 million yuan is 25,600 yuan, and it is only 780,000 yuan a month, which is only 1 million yuan a year.

Is it a million to get rich? Zhang San can only hehe, why can people be reborn at the end of the Ming Dynasty and make a fortune by selling smuggled salt, but when he arrives in the Great Song Dynasty, he will be so miserable when he sells smuggled salt.

However, with the addition of several businesses, Zhang San finally increased his income by hundreds of thousands of yuan a month, especially after robbing the Zhang family, Zhang San is not worried about the lack of money at all. En......, the point is to rob the Zhang family.

As for the soap, Zhang San estimates that he can also earn tens of thousands of yuan a month, and the key is that it can also be exported to other countries, and it is a business of one or two million yuan a year, canned fruit can also earn one million yuan a year, and whaling is also several million.

In this way, Zhang San's annual income has exceeded 10 million yuan, which means that Zhang San's current income has reached one-tenth of the tax revenue of the Great Song Dynasty, which is the legendary rich country, although it is only one-tenth of the enemy.

However, the Great Song Dynasty consumes seventy or eighty million guan just to raise troops and fight wars a year, and there will be more if there are major wars, but the army raised is all waste snacks, so these seventy or eighty million guan are spent in vain, and the raising of officials is tens of millions, and it is in vain.