DìDū didn't know that someone from that department faxed Zhou Qingfeng a few pages of a list of requirements, and the person who wrote this list was really unusual.

At first glance, it is a list of models and names of many knives and devices, but the list is also very skillful, which fully tests Zhou Qingfeng's supply capacity.

For example, machine tool tools, high-speed steel is relatively ordinary, and cemented carbide is of high grade. Cubic boron nitride knives are expensive and not readily available.

As for ceramic tools, they are at the forefront of today's exploration of materials science.

The electronic devices in the back are more particular, one is more high-end than the other.

High-power thyristors are used in a wide range of industrial applications, including in the military sector. If Zhou Qingfeng can get it, it means that he has some strength.

However, GaAs and GaN MOS devices are biased towards military use.

For example, the radar of a fighter plane needs to transmit as much power as possible in the smallest possible space, and the satellite pursues extreme performance under the extreme weight, which requires these things.

The country is still in its infancy in these two areas, while the United States has begun to put it into practice.

The well-known 'Aegis' air defense system uses gallium arsenide devices in its radar. Its later improved models use gallium nitride.

GaN is still in the laboratory and has a power density that is an order of magnitude higher than that of Gaan.

As for industrial control and high-speed A/D conversion chips, these are the core components of guided weapons, and they also have extremely wide uses in the industrial field.

Unlike civilian-grade chips that work at room temperature, military chips have to withstand drastic temperature changes and vibrations, and also work normally under strong electromagnetic interference.

If it is an aerospace-grade chip, the computing performance does not need to be strong, but in addition to the more stringent environmental adaptation requirements than military chips, it must also be able to withstand the strong radiation of cosmic rays.

This makes these chips very difficult to make.

For example, the AT697F processor dedicated to satellites by the American company Atmel. This is a product more than 20 years old and can be exported. But the price of a chip is as high as 70...... $10,000.

In addition, there are those that are not exported to the outside world, and even the model number is kept secret.

The production of cutting-edge chips for the military is very low, with only a few hundred or thousands of masks at a time. Each production is also guarded by a special military person.

At the end of production, all mask materials, chips and even scrap products are taken away. What I'm afraid of is that someone will sneak it up and sell it.

If Zhou Qingfeng can really get high-end gadgets, he will have a lot of weight in the hearts of Dì Dū Ministries.

Open the window of the e-commerce plane, the industrial waste column, and the machine tool class.

Different types of tools have their own applicable environments and cannot be substituted for each other. However, when it comes to high-tech directions, tungsten carbide tools with cubic boron nitride coating are the first choice.

Boron nitride is second only to diamond in hardness, but its thermal stability far exceeds that of diamond, and its cutting performance is excellent, making it a tool that can be used to machine high-performance steels.

In the sixties, cubic boron nitride began to be researched in China, but the basic industry was weak and the product stability was very poor. This has led to a stagnation in research.

In the 70s, aero engines began to use iron-based superalloys, which ordinary tools could not machine at all. Only then did China anxiously think about engaging in cubic boron nitride.

By the eighties, it was even worse. Automobile manufacturing, aerospace, and electronic technology all need high-performance tools, and China can only find ways to import them.

A knife costs hundreds or thousands of dollars, and it's so expensive that people want to cry.

In the nineties, new materials and new processes emerged one after another. Forcing rabbits to promote the progress of cubic boron nitride production process through 'foreign technical exchanges'.

But even 30 years later, the domestic tool industry has not reached the peak, and it is still at the bottom of the industrial chain. The quality of the finished knives is not high, and they still rely on imports.

Zhou Qingfeng's fingers clicked, and two tons of waste knives smashed on the handmade carpet in the living room of his mansion. Expensive Persian carpets are ravaged decently.

The alchemy workshop opened, and more than a dozen spirit slaves floated out as coolies, moving scattered waste boron nitride knives into the alchemy circle for repair.

This includes a lot of drills, milling cutters, turning cutters, planing cutters and the like, all sorts of things. It took half a day just to carry it.

The knives were done, and Zhou Qingfeng felt that he was going to do something cutting-edge.

Chip.

There are no top-secret foreign top-secret cutting-edge processors on the e-commerce plane. This thing was either launched into the sky or destroyed by regulators.

In fact, there are not many foreign military-grade chips. They are either loaded into missile shells for use on the battlefield or destroyed when their storage expires.

Most of the ones that can be thrown away as garbage are industrial-grade.

For example, Zhou Qingfeng saw an AD585, a product of Analog Devices in the United States. This chip is available in different grades and operates in different environments.

Among them, the operating temperature of the S-class is marked as 'minus 55 degrees to plus 125 degrees', which is by no means pasted on the circuit board of a sex toy for analog-to-digital conversion.

Bought it, bought it, bought it!

Zhou Qingfeng was about to do it, and found that the minimum purchase amount was one ton. However, the AD585S is packaged in a 14-pin SMD package, and each chip weighs only a few grams.

Really buy a ton, enough to bury him.

Buy something else.

Loongson 1E and Loongson 1F?

Eh......, these two chips are interesting!

This is the standard space-grade general-purpose processor for on-board computers. This is what the Beidou series uses. This CPU is a bit too powerful at the moment.

You must know that the computing speed of 486 is only 50 trillion, and the Loongson 1E and 1F have reached 200 trillion.

Strangely, domestic high-end chips can be sold without restrictions on the e-commerce plane, but foreign ones cannot.

When it comes to military-grade 486, a story must be told.

In 01, Gao Zhan, a Chinese female scholar with a U.S. green card, and her family of three were about to return to the United States, but they were arrested by the national security plainclothes at DìDū International Airport.

The latter thing can be made into a spy war movie.

After Gao Zhan was arrested, her husband and son were quickly released. After returning to the United States, the father and son actively lobbied human rights organizations, the media, and members of Congress to 'rescue' Gao Zhan.

The American media were in an uproar and collectively solidarity.

This incident has been going on for several months, and Gao Zhan's husband was originally a green card, but he was naturalized in the United States, and the oath-taking ceremony was even held at the Capitol building.

One vote of senators and representatives gave speeches in support of Gao Zhan and demanded that the rabbit government release her immediately.

On April 3 of that year, the U.S. House of Representatives, the Judiciary Committee's Immigration Subgroup, senior Democratic Congressman, Sheila Brown, Senior Democrat of the House of Representatives, Sheila Brown, Rep. Jackson. Lee moved a motion (motion number: .1358).

The bill proposes to grant Gao Zhan a waiver of oath of naturalization, so that the Eagle Sauce government can ask the Rabbit Government for someone in the name of Gao Zhan being a citizen of Eagle Sauce.

Do you think Eagle Sauce is shameless now? People have long been shameless.

But that's not all!

On April 5, Senator George Brown, Republican of Virginia, was elected to the Virginia. Allen joined six other senators from both the Democratic and Republican parties to introduce a similar bill in the Senate (motion number: S.702).

Both bills require the Attorney General to grant citizenship to Kotzer without going through the oath process. To put it bluntly, it's to stir up.

At this point, things are too big.

Back in March, Deputy Prime Minister Rabbit visited Eagle Sauce's house, and then-President Bush and Secretary of State Powell raised objections on the matter.

But Gao Zhan is still a rabbit citizen, and it's about your eagle sauce.

Is this the end of your business? Pattern!

The next operation is called dazzling.

On July 24, the Rabbit Procuratorate found that Gao Zhan had engaged in espionage activities on behalf of Taiwan, and the court sentenced her to 10 years in prison.

On July 25, a spokesperson for the State Department said that it would use every level of diplomacy to put pressure on Rabbit DìDū to release Gao Zhan on humanitarian grounds.

On 26 July, a White House spokesman said that President Bush had a phone call with the rabbit for the first time since he took office and discussed the prospects.

On the same day, Secretary of State Jerome Powell was on a state visit in Dì Dū to put pressure on the rabbit on the issue.

Everyone felt that the rabbit would not give in. But what happened next was called the peak circuit.

On the 26th, Gao Zhan, who had just been sentenced, was allowed to be released on medical parole. She quickly fled to Hawk-chan's house, where she was greeted like a hero and gave a famous speech at the airport.

President Bush was smug about this, feeling that his own pressure had played a role. Eagle sauce media hailed even more as a victory for 'freedom and democracy'.

But......

In '03, Gao Zhan was arrested again on charges of espionage. But this time it was the Eagle Sauce FBI who arrested her.

A Virginia court charged Taz with selling prohibited high-tech products to Rabbit's CLP 14 since '98.

Among them are dozens of military-grade 486 chips.

Gao Zhan and her husband were imprisoned for this.

This matter was vigorous but anticlimactic, and Eagle Sauce was made up and down with a dull face, and he didn't mention it later.

But the rabbit lost a 'deep sea', no matter how you look at it, it's a big loss.

This incident shows how important cutting-edge chips are.

But now, Zhou Qingfeng has more military-grade 486 chips in his hands, and even more advanced ones.

But......

No, no, it's only 91 years now.

You can't take too high-end ones, change to low-grade goods, just general.