As Donald took away the 45 tons of special glass, Wang Bin said to Donald, "Mr. Donald, do you still need special glass?"

    "Yes! Mr. Wang, I certainly need more special glass. After all, the war in my world has just begun. In the future, we all want this glass very much for a long time. However, considering that I don''t have many energy coins, the monthly quantity of glass I can order will not be too much. After all, the price of your glass , it''s not cheap, "said Donald!

    With that, Donald thought for a moment and then said, "Mr. shopkeeper, if I buy more glass from you, but I don''t have more energy coins to pay for it, am I suspicious of using other means to pay for it, such as using technology or drawings instead?"

    "I don''t know, Mr. Donald, how much glass do you need every month?" Wang Bin was disappointed after hearing Donald''s words.

    After all, he did not think that in Donald''s era, there were any technologies and drawings that could offset the price of special glass. Moreover, he did not know whether the regulations of the technology mall could be operated in this way.

    So he asked the system silently, "system, excuse me, if he uses technology or drawings to replace energy coins for trading, as Donald said?"

    "Yes, but the technology or drawings provided by the other party. The price must be identified by the system. Neither the host nor Donald can identify it. At the same time, in the barter transaction, the tax generated will also be paid by the shopkeeper!" said the system.

    Hearing the systematic explanation, Wang Bin nodded and then said to Donald: "Mr. Donald, what you said is not impossible, but the details still depend on what technology and drawings you take out. After all, I think Mr. Donald, you also know that the technology level of my world has far exceeded the technology level of your world. If the technology or drawings you take out are of no use to my world I won''t agree if I go. "

    "Of course! But please rest assured that many technologies in my world are not backward. After all, every world has its own unique technology, even my world.

    At the same time, as a professional businessman who can enter the technology mall, I have also purchased a lot of technologies in the mall. I think many of these technologies are also very important to your world, such as cold nuclear fusion technology, "Donald said.

    Hearing Donald''s words, Wang Bin wanted cold nuclear fusion technology, but he knew that Donald would never easily come up with these technologies. Most importantly, with their Tiangong technology ability, even if he got these technologies now, he would never produce them, because he clearly knew that if he wanted to realize these technologies, he must have a comparison Perfect industrial system and huge financial support.

    Most importantly, according to the explanation of the system just now, these technologies generated by store exchanges cannot be compared with those directly obtained from the system. The technologies or drawings obtained from the system are not only the technology itself, but also a series of technology related knowledge, which will also be instilled into the host''s mind.

    The technology or drawings from store transactions are only the technology or drawings themselves, not including the knowledge.

    The realization of the technology and the acquisition of knowledge depend on their own learning and realization.

    Therefore, even now that Wang Bin has obtained the cold nuclear fusion technology, it is necessary to have a huge team of scientists to realize this technology.

    "I don''t know how much glass you need, Mr. Donald?" Wang Bin asked. After all, Wang Bin doesn''t mind using glass to exchange as long as he can obtain technology, especially the technology he doesn''t have in the world.

    What''s more, although Tiangong technology has not established a scientist R & D team, it does not mean that Tiangong technology will not establish a scientific research team in the future.

    "Shopkeeper! I still have a large demand for the quantity of your glass. If I can, I hope to obtain at least 100 tons of glass every month. I wonder if Tiangong technology can do it," Donald said.

    "Yes, but we need to start from next month, because the large-scale glass production line of Tiangong technology will not be completed until next month," Wang Bin said.

    "OK! Next month? No problem," Donald said.

    At the same time, he is not very worried about special glass. After all, for him, the biggest demand for special glass is their aircraft.

    Now that their large bombers have been manufactured, there will be less demand for this glass before the new project is established, that is, before the production line of their country''s new fighter project is established.

    A month later, their new fighter production line will also be completed, so the demand for this glass will be greatly increased.

    Then Donald came to him and said to Wang Bin, "shopkeeper, this is the payment for this batch of glass, a total of 800 energy coins. Please keep it!"

    "OK!" Wang Bin took Donald''s energy coin and looked at it. He found that the energy coin given by Donald this time was somewhat different from that given last time. This time, the size and thickness of the energy coin were larger and thicker than those given last time.

    At the same time, the color of these energy coins is no longer silver, but with a trace of gold. At the same time, the number shown above is no longer 10 but 100. Obviously, such an energy coin represents the energy of 100 energy coins, and Donald gave him eight such energy coins, which add up to just 800 units of energy coins, but Wang Bin knows, Not all these energy coins here are his.

    Since the transaction amount between him and Donald reached 800 energy coins this time, 8 energy coins will be generated, so he secretly said to the system, "system, I don''t know how to pay the tax generated?"

    host! The tax generated by the exchange has been deducted by the system.

    Just as Wang Bin finished speaking, one of the eight 100 energy coins in his hand suddenly changed into 92, and the gold of the energy coin was also dimmed.

    Wang Bin didn''t care about this, but directly put these energy coins into the glass cabinet, and then said to Donald: "Mr. Donald! Donald, first, I don''t know if you have brought the data or photos you used our glass before. According to our previous agreement, you must give me these use data."

    "Shopkeeper, please rest assured that I have brought the usage of this glass, data, photos, videos and other materials." Donald took a U disk out of his pocket and handed it to Wang Bin.