Li Er did not say what compensation he wanted, so Zhang Nan stopped asking. Seeing that Zhang Nan agreed to his request, Li Er took Zhang Nan to Princess Changle's Fengyang Pavilion. However, Princess Changle went to Queen Changsun where, so Zhang Nan did not see the face of the eldest princess of the Tang Dynasty.

When Princess Changle was not here, Li Er didn't want to make a fuss, so he pulled out the daffodils planted by his baby daughter, so he said, "Qingquan, since the beauty is not here now, let's come back another day. Anyway, this flower will not bloom or lose now."

Zhang Nan nodded. After all, it was not good to just voluntarily use other people’s things on their own. Zhang Nan still understands this. However, since Li Er agreed to him, it must be possible. Sure enough, during dinner, Liu Bing brought a few eunuchs to his mansion with three sacks of daffodils.

"Mr. Zhang, you want this flower. We thought that who has such a great face? If it were Lord. Zhang, our family would understand it." Liu Bingzhao smiled and said when he saw Zhang Nan.

"Oh? Why do you say that?" Zhang Nan asked strangely.

"Princess Changle can't get these daffodils, that is, you Lord Zhang. With such great face, I pulled down all these daffodils." Liu Bing said with a smile.

"Okay, okay, don't praise me anymore. This is something that the emperor agreed upon and has nothing to do with my face. Don't talk nonsense." After Zhang Nan said that, he looked around and found that Cui Yue was still in the backyard and did not come, so Zhang Nan felt relieved.

If Cui Yue misunderstood what she had with Princess Changle, it would be more than worth the loss, Zhang Nan thought to himself.

"But our family still has to ask Lord Zhang, why are you making so many daffodils?" Liu Bing asked in confusion.

"What do you think the raw materials for those perfumes are made of flowers. I made these daffodils just to make perfumes that taste daffodils." Zhang Nan said.

When he heard it was perfume, Liu Bing immediately reminded: "Mr. Zhang, after this perfume with the smell of daffodils comes out, Lord Zhang must give us a bottle." Liu Bing was afraid that Zhang Nan would forget about giving him a bottle of perfume.

"Don't worry, go back and hand in the work. After the first batch of perfumes with the smell of daffodils came out, I will definitely give you a bottle." Zhang Nan said. After receiving Zhang Nan's guarantee, Liu Bing happily returned to the palace to report his life, and Zhang Nan began the first step in making his own local perfume.

Changing a complete set of distillation equipment from the system, Zhang Nan was about to start making perfume.

Cui Yue heard the movement in the backyard and ran out of the room to see what was going on. As a result, Cui Yue was shocked by the sudden appearance of the distillation equipment.

"Langjun, what are you doing?" Cui Yue came to Zhang Nan's side, knocked on the distillation equipment with her hands, and asked with confusion.

"Mr. Lang wants to make perfume today." Zhang Nan said.

"Perfume? Don't all Hongzhuang Pavilions sell? Why does Langjun still make it himself?"

"Hey, those perfumes are too expensive. Langjun decided to make them by himself to reduce the cost, so that the perfume price will be reduced." Zhang Nan asked while operating the still.

"But the price of this perfume has been reduced, won't the Empress make less money? Can the Empress be willing?" Cui Yue asked. Although the Hongzhuang Pavilion has been used by several dukes and wives who have been looking for someone to work, Cui Yue knew that the boss behind the Hongzhuang Pavilion was Empress Changsun.

"Yue'er is so careless. My husband asked you, do you know who is using these perfumes now?" Zhang Nan asked.

Others don’t know that Cui Yue knows that the consumer group of Hongzhuang Pavilion is aimed at. Since the cosmetics provided by Zhang Nan are all ready-made products replaced from the system. Although most of them are domestic cheap brands, the prices in Hongzhuang Pavilion are still expensive, so the sales of these high-end cosmetics in Hongzhuang Pavilion are not very good, and almost all of them have become in the palace.

"Of course this is used by Empress Changsun and all the empresses in the harem." Cui Yue said.

"Well, that's right. I'm reducing the manufacturing cost of perfumes like this. Although the price has been reduced, the sales have increased. These perfumes will not only look at the emperor's harem. The wives of officials will be discouraged when facing perfumes of this price in the past, but when I get the price, they will definitely pay for it, so don't worry." Zhang Nan said with a smile.

The perfume sold in Hongzhuang Pavilion was expensive in the past. Although some officials' wives and concubines could afford it, there were very few people who could really be determined to buy it. The fashion trends of the people all looked at the palace. So when the price of perfume came, the ladies of officials who liked to pursue the trend would definitely pay for it.

Moreover, as long as the essential oil is extracted, the perfume can be divided into several levels. The cost of this level is not only based on the brand of perfume, but it becomes the fragrance concentration and maintenance time of the perfume.

According to Zhang Nan's idea, as long as this essential oil can be extracted smoothly, even the most ordinary people in the Tang Dynasty can buy a bottle and go back to find fresh.

"No matter how rich the concubines in this harem are, they cannot be as rich as the people of the people. So, I am not making less money for the Queen, but helping her make more money." Zhang Nan said with a smile.

When Cui Yue heard Zhang Nan say this, after thinking for a while, she understood the reason, so she stopped talking, but watched Zhang Nan operate the still.

The principle of distilling essential oils in the still is very simple. Put fresh raw materials into the still, and steam is placed and heated to evaporate the essential oil of the plant. After the water vapor containing the essential oil is collected and cooled through a conduit, the steam will cool into a liquid, and then separate it according to the difference in the specific gravity and density of water and essential oil. This is considered to be a successful production of essential oils.

Zhang Nan did not doubt the effect of this distiller at all, so he handed the distiller to the people with peace of mind, let them stare at the water flowing out of the conduit, and then collect a basin and separate the grease-like things on it from the water. After a simple arrangement, Zhang Nan hugged Cui Yue and went back to the room to rest.

This is the best thing about feudalism. As long as you have the right, whatever you say is, and the servants in Zhang Nan's mansion are all loyal and have completed the things Zhang Nan told him with all their hearts.

The next morning, Zhang Nan got a small jar of essential oil from daffodils, so Zhang Nan and Zhang Nan asked Cui Yue to put away the bottle and go to court.

"Although the local perfume I make now is not as good as those of the foreign brands in the system, no matter how bad the one I make, it is my own. If I rely on the system all my life, then when I am no longer aware of it, the Tang Dynasty will probably have to reverse history, so independent scientific research is still necessary." Zhang Nan thought of this and went to court. The first update was delivered, and there were four updates.
Chapter completed!