"Are these crystals? It's incredible! The charming girl looked at the glass that glittered in the light, and her heart was full of shock, if it was true, it was simply too extravagant.

"Actually, these are similar to glass, I call it glass, but it hasn't been put into production for a long time, and nothing good has been produced! So not many people know about this thing now, but it will definitely be known in the future. Li Yunfei looked at the girl's shocked appearance, and couldn't help but explain, but there was no concept of glass in this era, and it was natural for people to be shocked.

"What? This is also what you did King Qin? The girl's eyes were no longer admiration, but completely replaced by worship, seeing the girl's eyes, Li Yunfei was a little unbearable, but still nodded.

"How about giving you one if you like it? Because there aren't many of them here, how about giving them to you when there's a better one in the future? Li Yunfei picked up a rabbit-like glass product and gave it to the girl. It's just that this makes Xiaohong's little mouth pout, and it seems that she is complaining about Li Yunfei's favoritism, "Xiaohong, this is for you, you little girl is so careful!" Li Yunfei patted Xiaohong's, and took a kitten that he wanted to give to Xiaohong, these are actually semi-finished products, but they are much stronger than glass, and they are not worse than crystals.

"Thank you, King Qin (Little Prince)! I love it! Hee-hee! The girl and Xiaohong looked at the things in their hands at the same time, which was very important to them.

"Go down first! Wait a while, Xue Rengui, Luo Tong and the others will come over, you can bring them over then!" This king will rest here for a while! Li Yunfei turned his face to the guy and said, he is still a little more dignified for his subordinates.

"Yes! Little Prince! Subordinates are going out! The shopkeeper didn't have so many scruples in the private room, so he hurriedly gave Li Yun a flying salute and then consciously withdrew. Li Yunfei was drinking high-quality tea, sitting there with his eyes closed, there are still a lot of things happening today, he is still mainly worried about Tubo's courtship, I don't know what reason to persuade his father not to agree to this?

In the box, Xiaohong and the girl consciously did not bother Li Yunfei, but looked at the thing in their hands happily, not because of how valuable this thing was, but because it was given by Li Yunfei himself, which was already very important to them.

In fact, Li Yunfei was worried because he felt that the peace obtained by women was not only humiliating, but more importantly, this kind of peace was not a real peace, and Tubo had always been ambitious, and this courtship was mainly a yearning for a lot of science and technology in Datang. Li Yunfei's main thing is not to let these technologies that are higher than the world level flow out, and the big reason for the decline of the Tang Dynasty is that it does not pay attention to protecting its own culture and technology, which leads to the strengthening of the surrounding enemies and the decline of its own strength.

"I'm not going to let that happen again!" The lessons of history are bloody, so Li Yunfei will stop the matter of harmony, and at the same time, Li Yunfei feels that it is time to have a good talk with this father, and he can no longer let his father indulge in the compliments of Tian Khan, and he should also be prepared for danger in times of peace. The most important thing is that we must pay attention to military equipment and some things, such as gunpowder, which is an indispensable thing for military battles in the future, and now Li Yunfei has a formula.

In fact, it is a point recorded in the Qianjin Fang, this is just the initial gunpowder has no power at all, but after improvement, this power is definitely more than people's appearance. Born in later generations, Li Yunfei naturally knew the importance of this gunpowder, which can be said to be the greatest contribution of Chinese Taoism, so Li Yunfei will never let such a thing go out again and become a favorable weapon for others to attack him.

Li Yunfei has asked Steward Li to find some people to conduct experiments secretly, many of them are Taoist priests, Li Yunfei has to sigh that many Taoist priests are some scientific madmen! Especially those Taoist priests knew that this thing was originally a Taoist thing, so they naturally worked harder, and Li Yunfei was still very relieved about Steward Li, so these things were handed over to him. Li Yunfei really didn't have any research on gunpowder in his previous life, but he still knew a little about what things were, Li Yunfei gave the main formula to Steward Li, and as for the proportion, I left it to them to worry about it!

"Brother Xue! It should be here! It seems that King Qin really knows how to enjoy it, but this time I'm going to bleed heavily! When Li Yunfei was pondering, there was a commotion outside the box, which pulled Li Yunfei's thoughts back. Hearing Luo Tong's words, Li Yunfei couldn't help but smile.

"That's it! Brother Luo, stop crying poor, come in! This is my place in the first place, how can you possibly make you pay? Li Yunfei greeted everyone, then stood up, and watched Luo Tong and several mermaids rushing in, followed by a sound of admiration, and the box of this formation obviously surprised them.

"It's good that I don't have to treat myself this time! Otherwise, how much does it cost? Luo Tong couldn't help but touch his little liver, full of joy to think, everyone laughed when they saw Luo Tong's performance, after all, Luo Tong does feel a little childish like this.

"All right, sit down! The shopkeeper will bring the banquet up! The people have arrived! Li Yunfei beckoned Xue Rengui and the others to sit down, and then ordered the shopkeeper to serve the food, seeing that everyone was looking at him, Li Yunfei saw that it was the charming girl. It's no wonder that Xue Rengui and they are curious, they know this Xiaohong, Li Yunfei hasn't had much contact with people in the past two years, but can it not be curious to suddenly bring a girl you don't know today?

"King Qin, are they?" The girl is also very curious, who are the people who can call Li Yunfei brothers? The girl looked at several people with righteousness between her eyebrows and knew that these people were not bad people, so she also wanted to get to know them.

"Ahh I forgot to introduce it! Li Yunfei patted his head, and then started to introduce Xue Rengui, and when the introduction was over, everyone was waiting for Li Yunfei to introduce the girl, Li Yunfei suddenly found a very important problem, he didn't know what the girl's name was, so he could only look at everyone embarrassedly.

"King Qin doesn't have to mind! Let's introduce the little girl herself! The girl also saw Li Yunfei's embarrassment, and then stood up and said to everyone, Li Yunfei had no choice but to pick up the teacup and drink the tea desperately to hide her embarrassment, "Little girl Wu Meiniang!" Meet all the little marquis and Commander Xue! ”

"Huh!?" Li Yunfei just drank the tea into his mouth, and when he heard Wu Meiniang say this, his eyes suddenly widened, and he looked at her in disbelief, and when he confirmed it again, "Poof! Li Yunfei couldn't help but squirt out the tea anymore, and it happened that Luo Tong, who was curiously looking at Li Yunfei and Wu Meiniang next to him, suddenly turned the originally handsome and chic Luo Tong into a soup chicken.

"Ahem! Cough! Cough!...... Ignoring Luo Tong's resentful eyes, Li Yunfei coughed desperately, obviously shocked by this incident, Wu Meiniang! The only female emperor in history didn't expect to be here, and she looked at herself with adoring eyes, which made Li Yunfei a little proud and a little panicked at the same time.