"That's a big problem!"

Situ realized the seriousness of the problem, and he couldn't help but feel a little more anxious.

After experiencing six thunder tribulations, the thoughts that were as crystal as agate kept spinning and colliding, and one by one the wisdom like sparks burst out.

Darksteel?

No way!

The hardness is enough, but the cost is too high, and even if you don't count the cost, the amount of dark iron is not enough to arm the entire army.

Bronze?

No way!

Bronze has good ductility, but it is far less hard than black iron.

And the melting point is too low.

After the combustion of gunpowder and the high-temperature friction of the bullet, it will definitely melt.

Black iron?

No way!

Black iron is hard enough and has a high melting point. It will avoid the problems of the bronze barrel, but the ductility of black iron is not good, and the cold brittleness is also high, and it is very easy to break.

The six thunder tribulation thoughts kept calculating, and one by one the metal materials appeared in his mind, and he denied them one by one.

No way!

No way!

No way!

。。。

As the old craftsman said, the barrel of the fire gun is too demanding on the material.

Not to mention Zhibei County, even if it is a big cadre, there are not many suitable things.

"Can it only be produced in small quantities?"

"If that's the case, it's a shame!"

Situ Xing's eyes narrowed slightly, and he thought a little depressed.

Guns!

That was the top secret of Zhibei County, and he had high hopes.

Now the research and development results cannot be mass-produced because of the metal material.

This feeling is really very aggrieved.

"Is there no other way?"

Situ Xing looked at the old-looking craftsman and asked in a low voice.

"Please forgive me!"

"It's not that the little old man is clumsy, but there is really no way... ”

The old craftsman understood the distress in Situ Xing's heart, and hurriedly stepped forward to comfort him.

"However, Beijun is the only large city within a radius of thousands of miles, and it is densely populated and full of craftsmen. ”

"Maybe they'll have a way ... ”

"We'll talk about that later!"

Situ Xing's eyes couldn't help but light up when he heard the old craftsman's words, but the light in his eyes quickly went out.

This is the last hole card of Zhibei County. The most powerful scientific and technological products, he has to keep them strictly secret, even if they are native craftsmen of Zhibei County, they have to go through the layers of the three law divisions.

Just when Situ was about to despair, a strange thought suddenly popped into his mind.

"Can I use alloy?"

Situ Xing seemed to suddenly think of something, and some ghosts said in a bad way.

"Alloy?"

The old craftsman's eyes couldn't help but froze, and he asked with some doubts.

"It is to mix pig iron, bronze, dark iron and other materials together for smelting, which can not only improve the hardness of the material, but also reduce the cost of the material!"

Situ said with some excitement:

"This not only ensures the hardness of the metal, but also greatly improves the ductility!"

"You can give it a try!"

Thinking of this possibility, the eyes of the old craftsman couldn't help but glow.

If it is really as Situ said, it is definitely a revolution in craftsmanship.

。。。。

"What is this?"

Situ Xing looked at the brocade box in front of him and asked with some hesitation.

"This is the Ninth Transformation Golden Pill, which can extend its life for three years, because the refining process is too harsh, even the Medicine King Valley only has a few pills!"

The old man Yaoding glanced at Situ Xing, and said as if he didn't care.

"What!"

"This is the legendary Nine Turns Golden Pill?"

Looking at the palm-sized brocade box in front of him, Situ Xing's expression suddenly changed greatly, and his eyes showed unspeakable covetousness.

Because of the injury, Situ Xing's longevity was greatly damaged.

Although a nine-turn golden pill cannot fundamentally solve this problem, it can extend his yang life by three years.

With three years as a buffer, it is impossible to say that Si Jian will be able to go further.

As long as he becomes a martial arts saint, his longevity will increase greatly, and at that time, the longevity that was previously lost can not only be fully replaced, but also increased a lot...

"This golden pill, I want it!"

"I don't know what conditions my predecessors have?"

Situ Xing's eyes narrowed slightly, looking at the old man with a childish face, he didn't believe that the old man Yaoding would be so generous and give such a precious thing to himself.

Since you can't give it away...

Then there must be some conditions!

"Happy!"

"Lord Situ is indeed a happy person!"

"The condition of decay is actually very simple, that is, please hand over the design drawings of the "steam engine"... ”

"His Majesty the King of People is very interested in this!"

When the old man Yaoding saw that Situ was sentenced to the point, he stopped going around the bend and said with a smile.

"Humph!"

"His Majesty the King of People really has a big appetite... ”

"Senior, do you think it's possible?"

The corners of Situ Xing's mouth couldn't help but turn up, and he said a little sarcastically.

"This... ”

Although the old man Yaoding thought of this result, he did not expect that Situ would be so direct and merciless.

"Lord Situ, as the saying goes, the shore of the land is the king's land!"

"My lord is so ruthless, I am afraid that it will provoke the wrath of His Majesty, and when that time comes... ”

"Oh... ”

Situ Xing nodded lightly, not taking the threat of the old man Yaoding to heart at all.

The current cadres are strong on the outside and on the middle.

The Qiandi Pan, which is known for his domineering, can only shrink in the royal city under the peep of the great power of the heavenly immortals of the sect.

Not to mention a feudal official like Situ Xing, even the civil officials' fear of Emperor Qian's plate has been greatly reduced.

In this case, Situ Xing really didn't believe that Emperor Qianpan would risk being killed to get out of the royal city for such a little contradiction.

That's why.

He didn't pay any attention to the threat of the old man Yaoding.

"Only His Majesty the King of People is interested in drawings, and the sect is not interested in drawings?"

Just when the two fell into an awkward silence, Situ Xing suddenly said faintly.

"This!"

The old man of Yaoding, who was said to be thinking about the center, couldn't help but show embarrassment on his face.

As Situ Xing said, how could the sect not be interested in the drawings in Situ Xing's hands.

Zhibei County's machinery, that's a hen that lays golden eggs.

If the sect gets the blueprints, it will definitely grab a lot of wealth. Don't think that people in the sect don't need money. To a certain extent, the sect is even more short of money, after all, cultivation is inseparable from the four words of law, land and wealth.

Every disciple of the sect has accumulated a lot of wealth.

It is precisely for this reason that each sect is divided into inner and outer doors.

The inner gate is the core disciple of cultivation, while the outer gate is responsible for the worldly world, providing a steady stream of materials and wealth for the sect.

The machinery invented by Situ Xing, tireless, making money every day, and grabbing a lot of wealth for Zhibei County in a short period of time, how could the people of the sect not covet it?

It's just that because of the strength of the sentence, I don't dare to be presumptuous!