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Mao Gengxin said, Han Yanxuan is not easy to fool, it seems that he has to let him share more of the interests of the whale, so that he is willing to take substantive action, in fact, he originally had the intention of letting him share the benefits, but people are shrewd, looking at this posture, it must be that there is no rabbit and no eagle.

Okay, let's talk about the treasure of whales, to attract investors, they should generally draw a blueprint for rolling profits, and the same is true for Han Yanxuan:

"This whale is full of treasures, such as whale oil, a whale can even boil out more than 10,000 catties of whale oil, whale oil can not only be eaten, but also lit a lamp, much brighter than tung oil, compared with candles, it is not much better."

looked at the reactions of Han Yanxuan and Imperial Physician Yu, and interestingly, Imperial Physician Yu couldn't help but calculate the account:

"If it sells for fifty wen a catty, wouldn't a whale be more than five hundred!"

Mao Gengxin said that he wanted this whale oil, but the main purpose was to use it to produce soap, and the batch price of whale oil should be below 4o Wen, but this is a later story, as for now, mobilizing Han Yanxuan's enthusiasm is the first place.

"Second, whale meat is a good delicacy, a whale can cut off 10,000 catties of whale meat. And whale bones are good materials for boiling bone glue. There is also a kind of whale, there will be ambergris in the stomach, if you happen to catch this kind of whale, it will be rich. ”

When Imperial Doctor Yu heard this, he opened his mouth widely:

"Is such a precious ambergris really from the stomach of a whale, as Maute said! It's unbelievable! ”

Mao Gengxin said, the production of ambergris is a bizarre thing, just because the sperm whale feeds on squid, octopus and other fish, these fish have hard and sharp beaks, sperm whales not only can not digest, the stomach and intestines will be rubbed, making the sperm whale very painful, so it has to secrete a special substance, wrapping these beaks to alleviate the pain, this special substance, is the precious ambergris. For a long time, this secret was not known to the world, until an oceanographer uncovered the secret and found out the true origin of ambergris. In the era of the Great Song Dynasty, of course, no one can know the truth, and if I say it today, I am afraid that indiscriminate whale fishing will sweep the world in advance, and the whale population is only afraid that it will suffer in advance.

As soon as he thought of this, Mao Geng had no choice but to say vaguely:

"I also heard what the master said, and I don't know if it's true. However, if there is a stinky gray-white foreign body in the stomach of the whale, it must not be discarded lightly, and after drying it, it may really turn into ambergris. But if this matter is true, it seems that it should not be leaked out lightly, Lord Han, you are right! ”

"That's right, the official thinks that Imperial Doctor Yu probably won't talk much, if Imperial Doctor Yu can keep his mouth shut, this official will not be treated badly. I wonder if Imperial Physician Yu is willing to keep it a secret? ”

Ambergris is almost equivalent to gold, if Mao Geng's words are true, it is undoubtedly pointing to a golden road leading to the gold mine in the sea, this secret is worth ten thousand gold, Han Yanxuan is not willing to share it with others, so he naturally wants to seal the mouth of Imperial Doctor Yu.

"It's better to be like this, if Lord Han catches a whale one day, remember to sell the whale liver frying oil at the price of whale oil to Imperial Doctor Yu for medicine. It is said that this whale liver oil has the effect of brightening the eyes and warming the eyes, so Imperial Doctor Yu may wish to put some effort into this medicine, how about it? In addition to brightening the eyes and promoting the body's absorption of calcium, cod liver oil can also improve the body's immune function, so that cod liver oil can be considered a good deed as soon as possible.

Han Yanxuan had something to say in front, even if Mao Geng didn't say the latter words, Imperial Physician Yu couldn't refute Han Yanxuan's face, and had to nod again and again at the moment.

Han Yanxuan's eyes lit up, his mind had already flown to whaling, a whale was a pile of gold, imagining that the sea on the other side of Xia Xia Island was full of swimming gold mines, Han Yan couldn't wait to fly to Xia Xia Island at this moment.

Han Yanxuan's action ability is first-class, and he immediately studied how to advance into Xia Yi Island, and Mao Geng was naturally among the strategists.

Mao Geng pointed to an island near Goryeo in the sand table and said:

"If you go east to Ezo Island, there must be a supply transit point along the way, and this island can be used as a supply point, and I wonder if it is feasible to lease a concession to Goryeo?"

"This island is now called Jeju, which was the earlier Tamna, but Goryeo has almost no contact with my Great Song Dynasty now, but I am afraid that Goryeo may not be able to rent it."

It was Tao Wenfu who spoke, his ancestor had been to Goryeo Japan to do business, and he originally wanted to mix up a fame, but he tried and failed, and was caught by Han Yanxuan.

For the relationship between Goryeo and the Great Song Dynasty, Han Yanxuan naturally understood the embarrassment, Goryeo is now a vassal to the Jin State, and when Gaozong was in power in Shaoxing for five years, the Great Song Dynasty and Goryeo had a diplomatic misunderstanding, which led to the deterioration of the relationship between the two sides.

Just because the envoy Wu Dunli sent by Gaozong heard that there was a rebellion in northern Goryeo, he said that the Great Song Dynasty could send 100,000 troops across the sea to help quell the rebellion, but the king of Goryeo would not lead the wolf into the house, so he refused at that time. But Wu Dunli left, but came the Great Song Dynasty maritime merchant Chen Shu, this Chen Shu is also a braggart skin, through his mouth, Wu Dunli's previous statement was given a new meaning, Chen Shu's version of the cowhide, is the Great Song Dynasty wants to borrow the Goryeo gold, to Wu Dunli's statement. In fact, the Great Song Dynasty did not help to quell the rebellion at all, let alone have a plan to fight the gold under false means, but Wu Dunli bragged as a diplomatic envoy in the front, and Chen Shusheng fabricated the chaos in the back, Goryeo Renzong believed it to be true, and there was a lesson from the previous experience of the Celestial Empire's false path to destroy the enemy, and the Goryeo side determined that the Great Song Dynasty had ill intentions. Later, although the misunderstanding was clarified by explanation, there was almost no diplomatic contact between the Great Song and Goryeo. However, it did not affect the people-to-people trade between the two sides.

Mao Geng never expected that there would be such a diplomatic episode between the Great Song Dynasty and Goryeo, and he thought that the diplomacy of the Southern Song Dynasty was really a mess.

The relationship with Goryeo was sandwiched between a Jin state, and neither the Great Song nor Goryeo wanted to make a big move to offend the Jin state, so they kept a low profile diplomatically, which is understandable. However, the relationship between the Great Song Dynasty and Japan is also difficult to reflect the honor of the Celestial Empire. The folk trade between the Great Song Dynasty and Japan is in full swing, and there are even Great Song Dynasty merchants who buy real estate in Hakata Port in Japan, and then the Great Song Dynasty merchants have gradually become more and more settlers, and they have slowly formed a large Song Dynasty merchant residential area called "Haramachi", of course, the Great Song Dynasty merchants themselves do not call it "Haramachi", but called "Tang Street", I did not expect that in the era of the Great Song Dynasty, the shrewd businessmen have been playing the Tang Dynasty brand, no way! Who called the Tang Dynasty famous and the Song Dynasty weak and deceitful! It can be said that the Great Song court, especially the Southern Song court, has made no achievements in diplomacy with Japan, let alone show the prestige of the Celestial Empire.

It is said that Japan was ruled by the samurai Minamoto Yoritomo at this time, and it is not known whether the shogunate era has arrived. Fortunately, at this time, as long as the Yuan Lai Dynasty had silver in the account, it not only could not help trade with the Great Song Dynasty, but also provided a lot of convenience for the merchants of the Great Song Dynasty. Therefore, between the Great Song Dynasty and Japan, it is now a political cold and economic heat.

After listening to Tao Wenfu's introduction, Han Yanxuan thought that there were Song Dynasty merchants in the Tang Dynasty in Japan to rely on, and there might be no need to find another supply place. However, Mao Geng thought that at this time, Japan should not be able to talk about complete jurisdiction over the surrounding islands, and perhaps there were many islands similar to the "bondage" situation of the Great Song Dynasty, so it was possible to lease the concession with the local landlord for a long time, such as Tsushima Island in the Tsushima Strait, and you could try it.

After synthesizing the opinions of Mao Geng and Tao Wenfu, a plan that took into account maritime trade and the northward entry into Xia Yi Island was basically formulated. In the first step, Tao Wenfu led a small fleet to carry goods out of the Zhoushan Islands as a precursor to Jeju Island and Tsushima Island to test whether they could set up a stronghold there.