With Feng Xiaochen's original intention, he really didn't think about letting Du Xiaodi take action himself. He just asked Du Xiaodi if he could find a few experts from the University of Technology to go to Mexico to help diagnose if the accident occurred and the welding operation of Chinese workers. When Du Xiaodi heard about this, he immediately said that he could go there. This case of major accidents caused by breakage at the welding site was very inspiring to scientific research, and she was very interested in it.

Du Xiaodi volunteered, and of course Feng Xiaochen didn't say anything. In this era, Chinese people yearned for European and American countries, but they were somewhat afraid of places like Latin America and Africa, and they felt that these places might be dirty and messy. Feng Xiaochen was a human being for two lifetimes, so naturally he would not have this feeling. He felt that Mexico was just an ordinary place. Du Xiaodi wanted to go, and it was a good thing to open his eyes.

In this way, after Du Xiaodi and Wang Ruidong met, they took a flight and transferred to the United States to Perot, Mexico. In order not to make the Japanese side confused, she specifically asked Wang Ruidong to find her a Quanfu Company work clothes for her, and then walked into the construction site as a welder for Quanfu Company.

"Assistant Feng means that we must first figure out the reason for the collapse of the fractionation tower. If the responsibility lies in our improper welding operation, then we don't have to shirk the responsibility we should bear. Just summarize the experience and lessons carefully. But if the responsibility is not on our side, we cannot allow the Japanese to throw dirty water on us. This is not only a problem involving your masters, nor is it just a problem with Quanfu Company, but a reputation issue of the entire 'Made in China'. This issue of principle cannot be compromised."

Du Xiaodi said to everyone. When she mentioned Feng Xiaochen, she used the same title as everyone asked for, calling him "Assistant Feng". This is actually not the first time. In the past few years, Du Xiaodi has participated in many jobs in the equipment industry company. In front of others, she also called Feng Xiaochen this way.

"I can't say that responsibility is right." Bi Jianxin said, "According to common sense, the welding of the base of this fractionation tower is not a very complicated electric welding. I have worked all my life and it is impossible for me to make mistakes in such a place. After the fractionation tower was poured out, I went to check the records and went to the scene to see it, but I didn't find anything inappropriate. However, I also know that I have a shallow vision. Now that Master Du is here, I have always been convinced of your skills. I will accompany you to the scene tomorrow. Maybe you can find something wrong."

"Master Bi is polite." Du Xiaodi said with a smile, "Just call me Xiao Du. What a master is not a master? I dare not say this in front of you, otherwise my master will have to break my legs."

"Haha, Xiao Du is still the same as before, with good skills and modest people, which is really good." Bi Jianxin changed his mouth in a good manner and praised Du Xiaodi in the tone of an elder.

"Thank you, Master Bi, for your praise." Du Xiaodi said politely, and then continued: "I will definitely go there on the scene, but it may not be enough to just look at it. It is best to try welding a few points to see if our operation is wrong or the process specifications set by the Japanese are wrong."

"This is easy," Liang Chen said. "Naohiro Iwasaki just placed a work order for us and asked us to arrange a few people to clean up the site and repair the damaged structures. At that time, Master Du will go with everyone. Electric welding and gas cutting are required on site. You can try it casually. Anyway, it is also a damaged thing. The Japanese will not care about how we do it."

"That's great. I'm also worried that the Japanese will not allow us to contact those structures." Du Xiaodi said.

Wang Ruidong interrupted, "Chenzi, you just said that the Japanese asked us to clean up the scene. Is there a conclusion of the accident?"

Liang Chen shook his head and said, "I haven't heard of this. I see that the Japanese named Tian Xiong has been wandering around the construction site these days, and his eyes are red. I guess there must be no conclusion yet."

"If there is no conclusion, they will clean up the scene. If they pour dirty water on us as Master Du said, we will jump into the Yellow River and cannot wash it clearly." Wang Ruidong reminded.

"But after cleaning up the scene, they also have no evidence to say it is our responsibility." Liang Chen was a construction worker and had some experience in collecting evidence. He retorted: "If they say it is our responsibility, they also need to come up with evidence. Now they ask us to clean up the scene, which is equivalent to destroying the evidence. We don't have to be afraid of them when we sue."

"It makes sense, too." Wang Ruidong was a little puzzled, "Does they not plan to cause trouble for us?"

"What's going on? Let's talk about it after seeing the scene." Du Xiaodi said, "I believe that the Japanese can't calculate the working hours of cleaning the scene. Let's slow down the progress a little and delay it for a few days. I will hurry up and collect evidence. When we understand the real cause of the accident, the Japanese will not be able to do it even if they want us to take the blame."

"Yes, let's listen to Xiao Du, and slow down the progress." Bi Jianxin echoed.

Liang Chen took Du Xiaodi and several other new workers to meet Naohiro Iwasaki. Naohiro Iwasaki conducted technical tests on the new workers according to the rules and then issued a job certificate to everyone. Du Xiaodi's electric welding technology is the most outstanding among the people, winning Naohiro Iwasaki's praise. When he heard that Du Xiaodi had received training in Japan and knew some Japanese, Naohiro Iwasaki even complained to Liang Chen that Quanfu Company was too unauthorized. Such an excellent technician was holding it in his hands and not sent it here earlier. Liang Chen could only smile.

The next day, Liang Chen took Bi Jianxin and Du Xiaodi to the collapsed distillation tower and pretended to start cleaning. Tian Xiongzhe and others had conducted a comprehensive inspection of the accident site. The places where it was time to take pictures and sample were completed, and it was meaningless to keep the scene. Regardless of the final conclusion, the installation work had to continue. The collapsed distillation tower obviously could not be used anymore. It needed to send a new distillation tower from Japan and was still installed in its original place. Before this, the damaged structure must be removed first. This is the task assigned by Naohiro Iwasaki to Liang Chen.

Uchida Yuuki made a big talk at the press conference. Chinese workers didn't know that they didn't read newspapers, let alone Spanish newspapers, so they didn't know anything about what the newspaper said. Uchida Yuuki spoke very badly about the Chinese workers in front of the reporters, but in the end he had to rely on these Chinese workers when he worked. Anyway, the reporters wouldn't go to the construction site to verify, and the workers didn't have the opportunity to take the initiative to contact the reporters.

The Japanese side has no taboos about asking Chinese workers to clean up the scene. In the eyes of Tatsuya Tatsuya, Naohiro Iwasaki and others, these Chinese workers are more skilled in operating skills and must not understand other things, and there is nothing to keep from them on the scene. You must know that even Tatsuya Tatsuya didn't find the problem of the scene, so what kind of thing can these workers see?

"Xiao Du, look, this is where we weld."

When they arrived at the scene, Bi Jianxin took Du Xiaodi to the place where the base was broken and introduced her. The base break started with a weld and gradually spread to other places. Finally, a large piece of weld cracked, causing the distillation tower to fall. Tian Xiongzhe and others suspected that the welding operation was incorrect from the beginning, which was not unreasonable, but when they checked the crack, they found that this judgment was untenable. Because there were no cases of false welding, fake welding, etc. on the welding points, the shape of the bevel, the welding depth, and the selection of welding materials, etc., were all done in accordance with the requirements of the process specifications, and the workers did not violate the operation requirements.

Industrial designs are supported by theory. There are mature theoretical calculation models for what weight will produce under what wind conditions, how much pressure, tension, how much force a certain model of steel can withstand, which solder is matched with which steel, and what process can produce what effect it is used for welding. As long as the designer sets the parameters well, he can calculate all kinds of data.

The difference between old industrial powers and developing countries is largely due to the mastery of these calculation models, which they have spent a lot of money and time and piled up with theory and experiments. If China wants to catch up with the advanced level of the world, then I’m sorry, you can make up for these courses first before you are qualified to talk about this topic. To make up for the lessons, the shortcut is to directly introduce technology, buy the models and experience accumulated by decades, eat them, digest and absorb them, and turn them into their own experience. But some technicians will not sell them. Even if they want to sell them, the price will be unbearable. At this time, you can only explore yourself and spend time and money.

Chigu Manufacturing Institute has been working on chemical equipment for decades, and the analysis of the stress structure of a fractionation tower is not a problem at all. But such a simple problem has left Tian Xiongzhe, who has a bunch of technical elites, at a loss, which is also a bizarre thing.

Bi Jianxin didn't think Du Xiaodi could figure it out. When Bi Jianxin wanted to come, Du Xiaodi came to see the scene and confirmed that everyone's welding operation had no mistakes. That would be enough. As for why welding completed according to the process requirements, such large-scale cracks occurred, it was not something that the Chinese should care about. It would be better to keep it for Tian Xiongzhe and others to have a headache.

Du Xiaodi was able to guess Bi Jianxin and the others' thoughts, and she didn't plan to explain anything about this. She took the craft drawings Bi Jianxin gave her and asked:
Chapter completed!