Liu Feng picked up one, put it in his hand and rubbed it carefully, trying to pull it to both sides with force, and found that the tenacity letter was very good, but it was not torn.

"Sir, we call this paper No. 7 paper. Its toughness is several times that of ordinary paper, and it is not easy to rot when it gets wet." After the ink is applied, the color fastness is very strong, and the color will not fade when wet."

"An Li, let someone get some water." Liu Feng raised his brows and ordered.

"Yes." An Li went out of the room and instructed the maid to bring in a basin of water and put it in front of Liu Feng.

Liu Feng first took a piece of paper and put it all into the water, picked it up and tore it, and found that it was really tough, and it took a certain amount of strength to tear it apart.

Immediately afterwards, I used the ink on the table, dripped a few drops on another sheet of paper, dried it with a candle, and rubbed it with my fingers without fading. Then it got wet again, and it didn't fade, which made him very excited.

"Very good, is it difficult to produce this kind of paper?" Liu Feng was very satisfied that this kind of paper has fully met the requirements for making banknotes.

"Sir, making this kind of paper requires six more processes than making ordinary paper, and the raw materials for making paper are relatively rare, so it is difficult." Slade replied.

"How many people know about this technology?" Liu Feng asked in a deep voice.

"My lord, only me and my two assistants know." Slade thought for a while, and determined that only these people knew.

"Very well, from now on, the technology for making this kind of paper is classified as a first-class secret, and no outside rumors are allowed." Liu Feng said with a serious face.

Although Liu Feng didn't think that in this world, who else could pirate his own banknotes, he had to do it just in case.

"Yes, my lord." Slade's face changed slightly and solemnly responded.

At the same time, I was very excited, and what I had researched was classified as a first-class secret. What an honor.

Mina looked equally serious, picked up a notepad and wrote it down, and then it would be notified to the Security Department, and then someone would start to pay attention to it.

"The production of this kind of paper will start today, and the other processes will remain the same. For the six extra processes, six groups of people will be in charge, and each group will be responsible for one process. Communication between groups is not allowed, and a confidentiality agreement must be signed." Liu Feng said with a serious face.

"Yes." Slade nodded quickly, ready to go back and warn his assistant.

"How is the research on color-changing ink? Is there any progress?" Liu Feng continued to ask, now that the paper for making the banknotes has been completed, then the next step is the color-changing ink and template......

The template Liu Feng has already asked Earth's studio to help make it, and it will be available in a few days. Now the most important thing is that the color-changing ink has not been solved.

"Lord City Lord, the color-changing ink is still being studied hard. I heard from the dean that a difficulty has been overcome, and it should be soon." Slade said respectfully.

"Well, if there is any difficulty in funding, just mention it. I hope that the research will be successful as soon as possible." Liu Feng calmly said that it is time to put the reform of coins on the agenda.

"Yes, my lord." Slade nodded affirmatively and said respectfully, "This subordinate retire."

"Go, keep confidentiality." Liu Feng waved his hand.

"Yes." Slade saluted and turned to leave.

"Mina, go make arrangements." Liu Feng said softly after watching Slade leave.

"Yes, Master." Mina left the study and arranged for someone to stare at the Banknote Research Institute.

"Master, I heard that orcs, dwarves and elves will be printed on the banknotes. Is it true?" En Li came behind Liu Feng and pinched his shoulders.

"Yeah." Liu Feng's mouth curled slightly as he nodded.

"Who is the young master going to print on it?" En Li lowered her head slightly and asked curiously close to 2.0 Liu Feng's ear.

"Guess what?" Liu Feng reached out and grabbed An Li's hand, pulled her to him, and placed her on his lap.

Enri blushed, her hands were a little overwhelmed, and he hesitated, "I, I think the elf might be Eliza, the dwarf might be Yakiri or Yuffie, if it's an orc, I'm not sure..."

"Don't worry." Liu Feng gently squeezed An Li's nose and smiled, "The template for the banknotes has already been made, and you will know when the time comes, and you won't be disappointed."

"Hmm! Young master..." Enri replied softly.

…………………………………………

"Four shifts, ( ̄▽ ̄). Please support.".

Nine hundred and thirtieth eight chapters: human. (1 for support)

In the Sahara Prairie, among Elsa's tribe, Elsa, the lion-eared girl, is patrolling the territory with Qiluo.

"How much is the forage reserve this year?" Elsa turned her head and asked Qiluo.

"His Royal Highness, the reserve is almost there, and there is still more than half a month to reserve, enough for all our sheep and horses to survive the winter." Qiluo replied, she has been staring at this matter.

Looking at the countless sheep in front of her, Qiluo continued, "And Xiyang City sent someone to say that they will still buy sheep in winter, but they will only carry mutton and other sheepskin and wool as in the previous winter. Wait, we'll have to wait until next spring to get it out."

"Well, yes, this winter is more comfortable than last year." Elsa sighed.

"I don't think so. Don't forget, Your Highness. In winter, I want to help Lord Liu Feng contain those cities." Qiluo reminded.

"...Understood." Elsa pressed her head with her fingers, it seemed that this winter really couldn't stop.

She really couldn't help but to help her. After all, she had already received the other party's weapon, and An Li was still by Liu Feng's side.

18 "Ta Ta Ta..."

"Come on, let's go to the fertilizer factory." Elsa turned her horse around and ran towards the fertilizer factory.

"Yes." Qiluo followed closely.

The fertilizer plant has been built at this time and has already started production. A large amount of fertilizer is produced every day.

When Elsa and Qiluo arrived, workers were loading bags of fertilizer onto the carriage, and then all of them were transported to the port, and they would be delivered to Xiyang City.

On the other side, there were orcs driving horses and pulling carts of sheep dung and horse dung, which are the raw materials for making chemical fertilizers.

"Liu Feng is really a genius..." Qiluo sighed.

"Who said it wasn't." Elsa also sighed, as can be seen from what she saw and heard in Xiyang City.

"His Royal Highness, Your Highness Anli said that Liu Feng has a way to attack the capital in winter... After he becomes king, do you think it is possible for us to go back to Brutus to take a look..." Qiluo hesitated. Still said it.

"Brutus...six years...Let's talk about this when Liu Feng successfully attacks the capital this winter." Elsa shuddered slightly and sighed.

If Liu Feng really has a way to successfully take the capital in winter, maybe he can ask him for help and let them go back to Brutus to see.

"Yes." Qiluo nodded.

"Ta Ta Ta..."

Elsa got off the war horse and walked into the fertilizer factory with Qiluo.

"Lord Elsa, please wear a mask." When an orc saw Elsa coming, he ran over and handed over two masks.

"Well." Elsa wrinkled her nose, took the mask and put it on, which made her feel better.

The two circled around the fertilizer factory for a few times, and left quickly after finding nothing wrong. The smell here is really choking.

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