As a key technical indicator for improving the level of civilization and technology, it is naturally very difficult to improve it. Wang Bin's special glass technology is a material technology.

At the same time, even if Steve and others imitated this kind of glass from Wang Bin and produced it on a large scale! Wang Bin would only lose orders from Steve's world at most, and would not have much impact on Wang Bin's interests in the mall.

What's more, even if Steve and his world can imitate glass, it cannot be sold in the technology mall, so Wang Bin is not worried at all.

Finally, it was Donald. Over the past period of time, Donald placed some orders to Wang Bin, and the quantity was also quite large, and it looked like about ten tons. However, as before, the glass Donald ordered this time was just flat glass, not other models of glass.

At the same time, Donald ordered a batch of screws from Wang Bin and Tiangong Technology during this period, but the number was not large. Fortunately, they were all screws with level 2 and 3 accuracy, and they looked like about a hundred energy coins in total.

In short, over the past period of time, Wang Bin has earned about 1,000 energy coins in the mall, which means that he has almost met the requirements for energy coins required for upgrading.

What is missing now is the products produced by Tiangong Technology, which have an impact on the real world and purchase one technology from the system to meet the standards of three technologies.

However, whether it is technical requirements or the impact of products on the real society, Wang Bin no longer worrys. After all, as long as the energy coins are in place in technology, Wang Bin can buy them from the system. In other words, the energy coins in Wang Bin's hands can now buy some materials similar to the top materials in the real world from the system at any time.

But Wang Bin wants to save more energy coins and buy more advanced technology.

In terms of the impact of products on the real society, Tiangong Technology is now actively promoting it. After all, there was no large-scale production line before, and no matter how it was, Wang Bin and others could do nothing.

Now that the large-scale production line is about to be completed, they can provide special glass to the 969 Group on a large scale, and the impact on the real society will naturally become greater and greater.

In the office, Wang Bin was sitting leisurely on an office chair, drinking tea, and checking the situation in the factory over the past period of time.

At this moment, the people in his office were ringing. After Wang Bin agreed, Jiang Zongliang walked in from outside and said to Wang Bin: "Mr. Wang! I just received the message from Jiang Fei. Their company will hold an investment promotion meeting in a week, so I hope that our Tiangong Technology can participate in their company's investment promotion meeting in a week!"

In fact, Wang Bin has already received news from General Engineer Lin of 969 Group. Over the past period, Tiangong Technology has been actively preparing. For example, they have produced some glasses dedicated to aircraft, and have also conducted a series of tests on these glasses, and combined with data he sold to technology mall customers before to determine the thickness of the glass required.

After all, the thickness of glass is very important for aircraft, especially military aircraft. Jiang Fei is a professional military transport aircraft production company. It is too thin. Not to mention defense capabilities, even the impact of birds may lead to the destruction of aircraft and death.

Of course, the situation where the glass is hit by birds, causing the glass to break and cause the plane to be destroyed and people to die, basically does not exist for Wang Bin's and Tiangong Technology's glass.

After all, even if the glass of Wang Bin and others is one millimeter thick, its impact resistance can reach more than 40 meters per second, which is relative to the speed of more than 150 kilometers per hour.

As an aircraft, it is naturally impossible to use only one millimeter thick glass. As the cockpit and hanging window glass, it must be at least four millimeters thick. As long as the glass of Tiangong Technology can reach a level of four millimeters thick, it basically has the ability to withstand the impact of 2.5 kilograms of iron blocks at the speed of sound. Therefore, it is impossible to damage these aircraft glass with the flight speed and altitude of birds. Unless it is impacted when the aircraft is flying several times the speed of sound, and the thickness of the glass is still lower than four millimeters.

So what Wang Bin and others want to test is naturally the impact resistance of these glasses in extreme environments. As the glass of military aircraft, it will face various extremely harsh environments at any time in the future. For example, in the case of heavy fog, the glass must maintain a good view level, and even the glass cannot fog.

In the long-term hot environment, the surface of the glass must not show any signs of weathering. In the snowy environment, the surface of the glass must not only not freeze and fog, but also must maintain high insulation performance to keep the airplane's fuselage at a high temperature and not let the heat in the airplane spread through the glass to the outside due to the outside weather.

To this end, Wang Bin also specially applied for high-speed wind tunnel testing to 969 Group, and also proposed to the Northwest UAV Company to purchase a supersonic drone dedicated to testing to test the glass.

This glass is worthy of being a professional aerospace glass in Kanxing World. It has shown good performance in the tests of these projects. Even during the tests of Westward Flight, due to thunderstorms, the glass tested on the drone was directly hit by lightning, but the glass was not damaged at all.

"I understand this. You go and talk to Professor Hu Zaifeng and make him ready. Then I will go with Professor Hu!" Wang Bin said.

Since Wang Bin purchased the special bearing steel technology of Kanxing's first-generation aircraft engine bearing from the system last time, Wang Bin has directly handed over this technology to Professor Hu for trouble. At that time, Professor Hu Zaifeng naturally asked Wang Bin's source of technology, but Wang Bin found a reason to fool him, and Professor Hu Zaifeng did not ask more questions.

However, from Professor Hu's expression at that time, Wang Bin was sure that Professor Hu believed that it was developed by Wang Bin himself. After all, Professor Hu asked a lot about the difficult technology in this bearing steel, and Wang Bin answered it one by one. How could Hu Zaifeng not suspect that this technology was developed by Wang Bin himself!

What's more, although the previous special glass production technology is very different from the current special steel technology, no matter what, it is material technology.

The most important thing is that both the previous special glass technology and the current special steel technology have one thing in common, that is, the high temperature resistance of these materials is very excellent, all reaching more than 2,000 degrees. Even the highest high temperature resistance of this bearing steel is even better, reaching 2,400 degrees.
Chapter completed!