After seven years of fiefdom, Li Shimin asked me to return and become the crown prince.

"Your Majesty, we have already pickled a lot of meat and started smoking it, but there is still a lot of meat that has not been processed. If it continues like this for a few days, the meat will rot!"

It was already midnight, and the bonfires were still bright on the beach. Some people were still working hard, with no time to rest.

"I remember there seems to be an ice house in Lingnan Port!" Li Kuan pondered. He personally supervised the construction of the ice house when he went fishing last year.

Shi Yixiao nodded:"Your Highness, the ice house is less than three meters in radius. If you put so much whale meat in it, the ice will melt in no time!"

Dozens of tons of whale meat, there is more than the ice inside. Even if saltpeter is used to make ice now, it is too late.

"Put the meat in first!" Li Kuan nodded and continued,"I have sent people back to Lingnan City. They will rush to bring ice cubes!"

Lingnan also has two large ice storages, which are used to store some things or provide Lingnan people with ice in summer.

Now we can only tear down the east wall to repair the west wall. First, the whale meat should be frozen and transported to Lingnan.���After the city is sold, he will have people build a large ice storage in Lingnan.

With the ice storage, he can try to make some canned meat and other things, and transport them to various parts of Datang for sale, and even use them as military rations.

But that requires trying, and now we have to consider transporting fish and meat to various parts of Lingnan.

Let the people of Lingnan have meat to eat.

In this way, the ice was delivered at night the next day, and then the whale meat was pulled back to Lingnan overnight and sold to the people of Lingnan at the price of three cents per catty.

Li Kuan and his people sat in a large hall, with several candles lit around to illuminate the room, and each candle was of different thicknesses.

They were trying to see how long whale candles of different weights and thicknesses could illuminate?

"Your Majesty, according to calculations, a candle weighing two liang can burn for two hours!" Zhao Xin looked at the burnt candle and came to a conclusion.

Now it seems that a candle weighing two liang is the most economical and affordable.

"So whale oil can also be used to make candles? The Tang Dynasty will no longer lack candles in the future!"

Cheng Yaojin was among them, looking at the burning candles with curiosity in his eyes.

Candles are very expensive now. A candle in Chang'an City is worth 500 coins, and ordinary people can't buy them at all.

But now, Li Kuan has obtained 100 tons of whale oil by killing three whales. According to the price of one candle, 2 taels, he can make 1 million candles.

The entire Tang Dynasty may not have so many candles, and he found that these candles did not have any peculiar smell when burning.

"That’s right, from now on, candles will be made in pieces weighing two taels each, half of the fish oil will be used to make candles, and the other half will be used to make soaps!" Li Kuan nodded and made the decision, then continued:"Soaps should be divided into different grades, and the good and ordinary ones can be made together!"

"Your Majesty, with whale oil, our soap can be mass-produced. What is the appropriate price?"Liu Ming spoke at this time. He suddenly remembered a question and asked tentatively.

He had already set the price of soap before coming, 30 strings of cash.

Li Kuan rubbed his chin and thought for a while, then he made up his mind:"Ordinary soap is 300 coins, medium soap is 800 coins, and high-quality soap is 5 taels!"

Cheng Yaojin and Li Daozon's eyes were about to pop out. Soap can be made from whale oil? They have seen soap weighing at most four taels, and it is sold at such a high price?

What is the profit of a whale? They can't even calculate it.

"Lord...A month ago, when you went to sea, I have already set the price for the soap. For the time being, I will only sell the good soap, 30 guan coins each!"After Liu Ming finished speaking, he was afraid that Li Kuan would be unhappy, so he continued:"But the supply is insufficient to meet the demand, and there is not enough to sell. We are almost out of use in Lingnan!"

Poof~~

Li Daozong sprayed out the tea he was drinking, he was simply mad.

30 guan coins for a soap, and there is still a shortage of supply?

Are those who buy soaps fools? Don't they know the cost of a soap?

In fact, Li Daozong didn't know. If he hadn't come to Lingnan with Li Kuan, he would have bought the soap for 30 guan coins... No... Even if he knew the cost, he would have bought it.

Eh,

Li Kuan looked at Liu Ming with a different look in his eyes. Did his chief secretary become successful? Didn't he lose money for him?

"In the past, soap was made of vegetable oil, which was expensive. Now it’s different if it’s whale oil!"

Li Kuan drank tea, was silent for a moment and continued:"Since the supply is insufficient to meet the demand, our price must be changed. Ordinary soap is 300 wen, medium soap is 3 guan, and top-grade soap is 15 guan!"

It’s a fool not to make money. Besides, he makes the money of the nobles. If ordinary people want to buy it, it’s still 300 wen!

Li Daozong’s eyelids jumped when he heard it. Can you avoid outsiders when you set the price? The price has increased several times at a time.

It can be seen that he will be a victim of this pricing soon. He is considering whether to buy some soap in Lingnan and then return to Chang'an?

Li Kuan also added:"By the way, draw a whale on the paper wrapping the soap, a flying whale!"

As a person of the later generations, I still understand the brand effect. Although the monopoly business is insignificant now, it is hard to say what will happen in the future.

Besides, it is simple to make a trademark on paper. It does not take much effort.

Li Kuan stayed in Lingnan Port for five days. Seeing that the whale oil was arranged properly, he returned to Lingnan with the processed whale skin!

These days, he has been studying his own hot air balloon production draft. With his design drawings and whale skin with good sealing, the hot air balloon should be successfully developed soon.

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