The number of smelting furnaces in Tiejia City now seems to be a bit excessive, but in fact, they are all low-end products, and the highest grade is only 'Z4 type', and if you are lucky, four Z4 smelting furnaces can upgrade to a Z5 smelting furnace.

In the development of the 'Airship Project', a 'Z5 melting furnace' is definitely needed, which is also the minimum level of the required melting furnace.

After thinking about it, Li Yinguang was still ready to upgrade only one 'Z5 type' smelting furnace, and for the time being, the Z4 smelting furnace used in the ancient castle Iron Armor City was enough, and he was reluctant to directly consume the Z4 smelting furnace.

The last time I sold the 'Sulphate Beetle' at the Snowy Wasteland Supply Point Camp, in addition to buying the 'rapid-fire artillery', I also bought a lot of materials for repairing the rapid-fire artillery, and the remaining money in the end was less than 100,000 silver bull coins.

This money should be set aside for 20,000 silver bull coins to be given to the factory store directly under the Goblin Empire as the final payment for the purchase of the 'Cannon Main Cannon'. No matter what Ka Yali is, what kind of relationship she has with Li Yinguang, her brother knows the account, and Li Yinguang can figure this out clearly.

In addition to the cost of buying the 'Reverse-Life Crystal', the silver bull coins in my hand are really not too much, and I also have to support the research of airships, hiring and buying to find talents, and so on.

Winter wilderness is more dangerous and can be accompanied by cold and low temperatures, making it harder to survive after leaving the gathering point.

In a short period of time, Li Yinguang didn't think about leaving Mambach Town, and the fees for anchoring in the port in Tiejia City would be higher in the cold winter, and there were various other expenses, so he still had to find a way to make money.

in the control room.

Lan Ling walked up behind Li Yinguang and asked softly, "What do you think?" ”

Li Yinguang retracted his gaze from the lookout window, turned his head to look at her with a smile, and said playfully: "If you don't stay in your room at night and keep running to me, do you sincerely don't want me to abide by the gambling contract?" ”

Lan Ling's face was slightly red, she didn't know what was going on with her, she used to wish she was far away from this guy, but now, it seemed that if she couldn't see him for a while, she would involuntarily appear in her mind.

"I don't think so!"

Lan Ling looked at Li Yinguang and said, "You'd better not have that kind of thought, gambling is a kind of contract, if you don't abide by it, the god of contract will punish you." ”

It's serious, but it doesn't seem to be very convincing!

Li Yinguang smiled and walked back to the chair in the main control room and sat down, beckoning to her, Lan Ling knew what this guy wanted to do, but he pretended to be indifferent and walked over.

"Looking for me?"

Li Yinguang motioned for her to sit beside her, the night was long, and no one would come to disturb her anyway, as for what she would do, it was him to talk about Fenghua Xueyue, and it was him to talk about firewood, rice, oil and salt.

"Do you think I'm stupid?"

Sitting on the chair, this time Li Yinguang did not rely on her, but instead let her rely on herself.

Li Yinguang smiled and asked, "Who told you?" ”

Lan Ling blushed and snorted lightly: "I'm not stupid, how can I not feel it, especially Xiaoman's girl, who always thinks that I have a big chest and no brain." ”

"Delusion, this must be your delusion, Xiaoman and I have never felt you that way." Li Yinguang said with a smile.

Lan Ling frowned, slightly displeased, but he didn't justify what it was. What others think, it's someone else's business, anyway, she thinks that she is not the kind of woman who has no brains.

Li Yinguang saw that she was in a bad mood, so he changed the topic and asked: "You see that we have to stay in Mambach Town for a short time, what can we do to earn silver bull coins?" ”

Lan Ling raised his head and looked at him, and only said after a while: "I don't know, I only know that if the Iron Armor City Lord wants to make money, he must go to the wilderness to hunt, explore, or go to the ancient battlefield to salvage the wreckage of machinery." ”

Li Yinguang smiled and said, "What you said needs to be adventurous!" ”

"Isn't it normal to take risks? How could there be a pie in the sky when pie fell. Lan Ling said as a matter of course.

I can hear that she knows six out of seven about business behavior, and she still knows one thing about it. Business operation is an unfamiliar field for many ordinary people, or in other words, it seems that it is not mainstream.

But up to the Empire, down to the slightly larger forces, are engaged in this kind of behavior.

The business landscape is not destined to be non-mainstream, but it is difficult for them to become a livelihood for ordinary people, or those in power do not want ordinary people to rely on business practices to survive.

There is no one to search for supplies, hunt, explore, salvage ancient battlefields, where do the resources, goods, treasures, etc. come from?

The slavery system of oppression, exploitation and cannibalism is also destined to be the source of the inferiority of this world!

Li Yinguang put his chin on her shoulder and asked with a smile, "Do you like silver bull coins?" ”

Lan Ling was stunned for a moment, and said helplessly: "I like it, who doesn't like the silver bull coin." ”

"Do you know where the Silver Bull Coin came from?"

"How? It's done! ”

"Who did it?"

Lan Ling relied on Li Yinguang, thought for a while, shook his head and said, "I don't know about this, maybe it's Lord Manbach!" ”

Li Yinguang shook his head with a smile and said: "It shouldn't be, because I have inquired, in addition to the area of Manbach Town, some places outside will also use 'Silver Bull Coins' and 'Copper Bull Coins' as transaction currency." ”

After a pause, he continued: "The forces that can make silver bull coins and copper bull coins are very authoritative at least in this region, so that the two currencies can be promoted on a large scale and recognized by everyone.

But more importantly, silver and copper are metals and have their own potential value. Therefore, the Silver Bull Coin and the Copper Bull Coin will become the currency. ”

Lan Ling actually didn't understand what the restless and honest man holding himself behind him wanted to express.

"Suppose we find a silver mine or a copper mine, print the logo of the castle, and issue a 'silver coin' or a 'copper coin', will everyone approve it?" Li Yinguang asked with a smile.

"No, it won't!"

Lan Ling shook his head, and without waiting for Li Yinguang to ask why he wouldn't, he said directly: "Everyone is afraid that you will adulterate the silver coins or copper coins, and the purity of the copper coins or silver coins is not high enough!" ”

Li Yinguang smiled and nodded: "Yes, that is to say, the credibility of our Castle is not high enough, and everyone can't trust us a little, but have you ever thought about how high the purity of silver bull coins or copper bull coins is?" ”

These words seemed to open a new door for Lan Ling, she had never thought about these things before, and no one had ever told her about these things.

All she knew was that she had to eat when she was hungry, she had to drink water, and everything she wanted to buy needed to cost Silver Bull Coins, which was also the currency she recognized.

"The silver content of the Silver Bull coin, that is, its purity, is only 40 percent, and the remaining 60 percent is not silver. But a silver bull coin can buy a seven-gram silver bar, do you know what this invisibly represents? Li Yinguang said.

Lan Ling glared at the beautiful eyes, opened his small mouth and said, "Is it so much?" ”

The appearance is a bit seductive, so that Li Yinguang can't help but want to kiss Fang Ze, reluctantly suppress the evil thoughts, and said with a smile: "Why else do people control the right to issue currency, except for silver coins, have you ever seen paper money?" ”

"Nope!"

Lan Ling shook his head and smiled charmingly: "But I've seen 'Beast Bone Enamel Coins' and 'Beast Skin Silver', are they the 'paper money' you said?" A larger currency than the 'Silver Bull Coin'? ”

Li Yinguang looked down at her, his throat twitched, and his eyes showed an unconcealed possessiveness, as if some kind of beast was about to burst out into the most primitive wildness.

Lan Ling blushed, realizing that something was wrong, and before Li Yinguang could react, she jumped down from the chair: "I just remembered it, there is still something to do, let's talk about this topic tomorrow!" ”

After saying that, he ran away without looking back.

Li Yinguang took a deep breath, shook his head with a wry smile, what kind of bet is it, now it's okay, lift a stone and hit his own feet.

"Sophia!"

Sophia, who was standing in the shadows at the door, her eyes were originally closed, but she didn't open them violently until Li Yinguang called out to her, and even Lan Ling ran out with a red face just now, her eyelids didn't blink.

"City Lord, call me something?"

Sophia walked in, looked at Li Yinguang and asked calmly.

As a nobleman and the lord of the ironclad city, Li Yinguang's behavior is actually very gentlemanly, he can't even touch the edge of obscenity, men like beauty, it is a normal thing, let alone in the current world that still retains slavery.

"What are the enamel coins of animal bones and the silver of animal skins?" Li Yinguang's face returned to normal, and he asked thoughtfully.

Sophia said: "Things that can represent the amount of silver bull coins, some animal bones and animal skins are very valuable, and difficult to obtain, the hardness is extremely high, fire resistance, ice resistance, blister resistance, animal bones are made into a currency, and they can be drawn by enamel, you can become 'animal bone enamel coins', for example, the 'beast horn enamel coin' polished with 'fire horns', one is equivalent to fifty silver bull coins."

Because the horn of the 'fire bull beast' itself is a very valuable material, it can be used in medicine, can be alchemized, and some people even say that it can be absorbed by the human body as energy, but it must be boiled and drunk.

In short, after a 'fire bull horn' is polished and painted in enamel, it becomes an 'animal bone enamel coin'. 'Bones' sometimes does not refer only to the bones of beasts, but covers a lot of materials, and basically in the shape of money, they are called 'animal bone enamel coins'.

The better the texture of the animal skin, the more precise the contract pattern will be, and the higher their value.

'Hide Silver' and 'Beast Bone Enamel Coins' are both high-quality materials in their own right, and in addition, when these two things are taken to the Lord's Mansion, they can be exchanged for the corresponding value of Silver Bull Coins, and the imperial system is responsible for ensuring the value they have.

The smallest unit of 'Beast Bone Enamel Coins' is ten silver bull coins, and the smallest unit of 'Beast Skin Diagram Silver' is 1,000 silver bull coins. I've heard of 'animal bone enamel coins' or 'animal skin silver' worth millions or even tens of millions, but I haven't seen them! ”

Li Yinguang couldn't help but touch his nose after listening to Sophia's description. But think about it, how long has this world existed, how could there be no systematic currency!