Wang Sen followed everyone behind the old man star, and walked quickly into a grain hoard.

There is nothing new about this grain hoard, and the shape is no different from other grain hoards on the land of China. The lower part is a cylinder, the upper part is a cone, and a big, red word "Feng" is pasted on the outside. No matter how you look at it, I don't feel any sense of disobedience.

Since the next thing was quite confidential, Wang Sen only brought his son Wang Haoxian, his apprentice Cod, and Kang Ning, who was about to be in charge of business affairs, to follow in.

Everyone originally thought that there was grain here, but they didn't expect that there were only dozens of bags of wheat in it. Old Man Xing led them around the back of the wheat pile, and slapped his right hand on the pillar on the side a few times, and suddenly a stone slab covered with thick sand on the ground moved away, revealing an exit from an underground secret passage.

"Everyone, please." After the old man star finished speaking, he took the lead and walked in, and Wang Sen was ready to go inside without hesitation, but he was dragged back by Kang Ning from behind.

"I'll go first." Kang Ning knew that the Black Clothes Society would not create a conflict with the White Lotus Sect, in fact, Wang Sen also understood that people who did business would not easily offend people, but seeing that Kang Ning was so loyal, he still readily agreed to let him go ahead.

The old man Xing, who had already entered the secret passage, glanced back and found that Kang Ning grabbed Wang Sen, and then he squeezed to the front. The young man obviously didn't believe in the safety of the secret passage, but this was also a common thing, and he, an old man who had been in the world for a long time, naturally did not find anything strange.

After all, it is normal for them to have some caution when they first come into contact with the Black Clothes Society.

As the group continued to walk inside, the passage began to widen. At the same time, Corning noticed that when he first entered the secret passage, the walls on both sides were just simple soil, and even the roots of some plants could be seen, but now they had turned into stone bricks, and further inside, there was even a feeling of an underground city.

Kang Ning was a little secretly frightened, he had only learned about some of the situation of the Black Clothes Society from Jinyiwei, and knew that they were likely to have something to do with the traverser, but judging from the current situation, I am afraid that not only is it related, but also the energy of the traverser is not small, and the ambition can only be greater.

"Sect Leader Wang, we've arrived." Old Man Xing walked to a stone door, and then pushed it open with force, and everyone only heard a heavy sound of the door, and saw a brightly lit world appear in front of them.

Kang Ning was still in front of Wang Sen, and took the lead in following the old man star inside.

"This is the hall." Old Man Xing introduced the four of them, "All the goods are counted here, and naturally it includes the things you intend to buy. But those who are here already have masters, and if you want to see the samples, you have to continue to follow me inside. ”

The walls around the hall are lined with torches, supported by stout pillars in the middle, and these neat columns divide the halls into interconnected areas.

However, the old man's pace is very fast, and he doesn't look like he is seventy or eighty at all, thanks to Wang Sen still calling him his old brother, but it turns out that Wang Sen himself is a little unable to walk.

Passing through the large hall, the group entered a slightly narrower corridor. On both sides of the corridor are private spaces surrounded by gauze tents, but the figures inside are busy.

"It's all widows?"

"Widows?" Before Wang Sen could react, Kang Ning was surprised, "Did the country get it?" ”

"Yes." The old man seemed to have no intention of hiding something, or rather deliberately showing them something, "The proprietor has let them do some low-intensity labor here. It is to use a screw coin press to make some copper coins. ”

"Ahh The four people in the back were all stunned. Wang Sen, Wang Haoxian, and Cod were surprised that copper coins could be made in this way without the need for a special stove, while Kangning was surprised that the screw coin press had appeared in Daming. In this way, the proprietor of the Black Coat Society could use the means of issuing additional currency at any time to devalue the money buried in the cellar of the northern landlord's family.

The old man was obviously very satisfied with their surprise, and after taking them around a few more times, he finally arrived at the exhibition room, the final destination of the trip.

"Ladies and gentlemen, this is the most well-stocked place. And each item has a different color, different styles for you to choose. ”

His words reached the ears of several people, but they did not react to it, because as soon as they walked in, they were attracted by something that intruded into their field of vision.

"Mirror...... It's a big mirror...... "Wang Haoxian seemed to see a rare treasure, and he was the first to go up and look at it."

The row of mirrors is arranged from small to large, each different and obviously belongs to a different style.

Seeing that they were interested in mirrors, Old Man Xing leaned forward and explained, "These mirrors are made in different ways. ”

"A different approach?" Wang Sen asked curiously, "Then I want to ask my brother to talk about the Tao." ”

Kangning was also curious about what he said, could it be that the proprietor of the Black Coat Society had mastered enough advanced industrial technology, so in this case, he might become a problem for himself in the future.

Of course, Old Man Xing didn't know what he was thinking, and when he heard Wang Sen's request, he explained it to them. Anyway, even if they don't ask, he still has to explain a thing or two about it. That's fine, their ability to hide in front of each other and show a thing or two.

"This is the bronze mirror we produce, and the quality is comparable to the Xue family mirror in Huzhou."

Wang Sen glanced at the most inconspicuous one in the row of mirrors that the old man was pointing to. If he hadn't said it, the four of them had apparently not noticed.

Once again, Corning was secretly taken aback. Although the mirror is a bronze mirror, the polishing process is very exquisite. I am afraid that even Xue Huigong in the Qianlong period was reincarnated by his filthy soil, and he may not be able to create such a high-quality bronze mirror.

Old Man Xing then explained: "I know that this kind of thing may no longer be able to enter the eyes of everyone, and as soon as you come in, you are probably most concerned about these glass mirrors." ”

The old man pointed to several large mirrors next to him, and continued with a smile: "A few decades ago, in Europa, in the West, someone invented the cylindrical method to make plate glass, and at the same time invented the tin amalgamation method of attaching tin foil to the glass with mercury. ”

Corning, who has read a few time-travel novels, has naturally heard of amalgam, but he doesn't know exactly who is in front of the first two words of its name. However, this is not the point, the point is that the trading empire of the Black Clothes Society, while quietly extending its tentacles into the Ming Empire, which has a strict ban on the sea, will also basically open up the trade route to Europa.

This is something that many traversers want to try, and they have just realized that they have crossed to the late Ming Dynasty Kangning, and they have also thought of using this way to open a new channel for their future financial resources, but now it seems that some peers have taken the lead.

"Look at this one again." Old Man Xing just regarded Wang Sen as his important customer, and didn't care about the slight changes in the young man's face, "The Western craftsmen invited by our proprietor, after many attempts, finally figured out how to use the pouring method to make flat glass, and from then on, we can make high-quality large glass mirrors. Such mirrors and their frames are increasingly becoming an important interior decoration for us there. ”

Corning would love to ask where you are. But if you inquire about the base camp of the Black Cloak Society like this, you may not be able to get out of here alive. So he still held back his curiosity.

"And this one." Old Man Xing continued, "Our proprietor learned a science called chemistry somewhere, and then he instructed the craftsmen to use the chemical silver plating method to make the public welfare of producing glass mirrors easier. ”

Corning sneered in his heart, this should be the method invented by the German chemist Leibiger in 1835, and he didn't expect it to be stolen by that guy.

In fact, Kangning also has the idea of stealing these things, but unfortunately his knowledge reserve is seriously insufficient, and he must be reincarnated in the dirt to be able to do it.

"I wonder what kind of mirror you like?"

Wang Haoxian's eyes had already become straight. He immediately said: "I like the latter ones very much." ”

Wang Sen really wanted to kick him into the mirror, and it was annoying to see him look like he was happy to hunt.

The cod stepped forward and asked, "Is this thing sturdy?" For long-distance transportation, let's find some sturdy transportation. ”

Wang Sen nodded when he heard this. Seeing his father's expression, Wang Haoxian had no choice but to remove his eyes from the mirror.

"It's really not easy to transport, but fortunately, our factory price is not very high, and you can sell them at a high price. Even if only two out of ten pieces are delivered, it will be enough to save the capital. ”

Corning was surprised: "That's at least five times the profit." ”

"Hey, the little brother's accounts are calculated very quickly." Old Man Xing complimented.

When Wang Sen heard the praise of the old man, he began to feel proud that he had accepted such a subordinate: "He is a business genius, and in the future, the employment club will be responsible for the business matters I teach." ”

"Then it seems that we still have a lot to deal with in the future."

Kang Ning said humbly: "Exactly, but the younger generation will have to ask the old man to take care of it more in the future." ”

"It's easy to say, it's easy to say. Since we can sit together and talk about business, it is fate. ”

Everyone laughed.

Wang Sen quickly decided to buy ten mirrors first to test whether there would be any problems with transportation.

The old man star saw that he had initially reached an intention, so he turned to recommend another product.

But when Corning saw it, he began to wonder if there was something wrong with his judgment.

Perhaps, the proprietor of the Black Clothes Society is not a science student, or rather, not just a science student.