The day passed quickly, and the rolling mill workers, who had been busy all day, finished their work and left the rolling mill in groups to return to their homes.

Zhang Zhonghua sat quietly in his office alone, and after everyone left, the sky gradually darkened.

"Section chief, the people in the office building have gone, and now there is no one else in the factory except for our security department."

Xu Zhisheng, the leader of the eighth group, walked in from outside the door and reported to Zhang Zhonghua about the situation in the factory.

"Hmm!"

Zhang Zhonghua let out a "hmm" and waved his hand to let Xu Zhisheng leave.

After Xu Zhisheng left, he waited in the office for a while, then got up from the chair, walked to the locked cabinet, opened the cabinet door with a key, and took out the box containing the listening equipment from it and went out of the security department, avoiding all the places where people might be encountered, and also avoiding the security department's own patrol, all the way to the back of the office building.

It is impossible to be too careful at this time, although he trusts the comrades of the Security Section, but he still has to be just in case, except for the people who are specifically involved in this matter, he does not want anyone to know about this matter.

Because he didn't dare to guarantee that no one in the Security Section would be bribed by Li Daqing, even if the possibility was slim.

What's more, he was afraid that he would be caught by the patrol team, in case there was a big mouth to say it everywhere, if Li Daqing's people knew that they had passed the office building after everyone got off work, maybe it would cause alarm.

The office building should be regarded as the only place where the security department cannot control, so the key to the office building is not in the security department, and Zhang Zhonghua can only enter the office building through other methods.

Zhang Zhonghua came to a window at the back of the building, stretched out his hand to open the window, and then easily climbed in, which Zhang Zhonghua specially arranged for someone to come and destroy during the day, so that the window could not be closed and could be opened from the outside, just for the convenience of entering and exiting the office building these days.

After Zhang Zhonghua jumped into the window, he lifted the box into the window with a rope tied to the handle of the box in advance, this is a precision equipment, he doesn't dare to throw it inside, if it breaks, there is no place to cry, no matter how careful it is, it is not too careful.

After getting the box in his hand, Zhang Zhonghua took out a flashlight from his pocket, carried the box and went out of the toilet, yes, this room is a toilet, that is, the kind of toilet with a long ditch, separated by a cement board, and a water tank at one end that will flush regularly.

Only the office building in the entire rolling mill has this kind of "state-of-the-art" toilet, and the rest of the world is the kind of dry toilet that you can't open your eyes when you enter it in the summer.

Zhang Zhonghua swaggered out of the toilet with a flashlight, carried a suitcase, and then went all the way to the top floor, climbed to the top of the building along the ladder into the wall, and after walking around the roof, he found the location of Li Daqing's office, took off the two ropes wrapped around his waist and fixed them on the roof.

One was tied to a box containing the listening equipment, and it was slowly lowered from the roof to the window of Li Daqing's office.

The other Zhang Zhonghua descended along the rope to Li Daqing's window, and after the rope was jammed, he took out his tools and opened Li Daqing's window and entered Li Daqing's office.

After Zhang Zhonghua landed and stood firmly, he took off the box outside the window, put it down on the desk, and then began to install it.

There is a socket row under Li Daqing's desk, which is used to power the typhoon and a moving head fan, of course, there is no fan in this weather now, so there is only a desk lamp plugged in the socket.

Zhang Zhonghua connected the power cord of the monitoring device to the wire, and then took out the drawer in the middle of the desk, and turned the monitor under the drawer.

After restoring everything in the room to its original state, Zhang Zhonghua climbed back to the roof of the building along the rope, put all the ropes back, and then put the box in the water tank on the roof of the building, and returned the same way and left the office building.

After returning to the security department, Zhang Zhonghua breathed a sigh of relief, it was the first time he had done this kind of thing, and he would inevitably be a little nervous.

After Zhang Zhonghua calmed down in the office, he left the rolling mill.

……

……

"Xiaohua, are you back? Where did you go, and why did you come back?"

As soon as Zhang Zhonghua entered the courtyard, he met the second uncle, Yan Bugui.

"Yo, second uncle, have you eaten? It's a cold day, so don't sit at the door all the time. I've been delayed for a while!"

"Eat, eat! Xiaohua, many people have asked me about you recently!"

Yan Buguishen said mysteriously to Zhang Zhonghua.

"Inquire about me? Why do you want to ask me?"

Zhang Zhonghua is a little unclear, so why is there still someone asking Yan Bugui about himself!

"What are you doing? Don't you know, you are a popular choice for a son-in-law now, I don't know how many people want to marry their daughter to you!"

Zhang Zhonghua listened to Yan Bugui's words, and almost sprayed a mouthful of salt soda on his face.

The master is less than twenty years old this year, and some people want to attack the master???? Beasts!

"Second uncle, I'm not yet twenty, don't worry!"

"If you're not in a hurry to get married, you can meet first, and you can get married after two years!"

Yan Bugui heard Zhang Zhonghua's direct refusal, and immediately said to Zhang Zhonghua.

"Second uncle, I said you wouldn't be accepting other people's things, would you???

Zhang Zhonghua looked at Yan Bugui a little speechlessly, this old thing must have received something from others, otherwise he wouldn't be in a hurry to help introduce the object.

"Well, this ...... No, no, no, no, where can I accept people's things!"

Looking at Yan Bugui, who had an embarrassed expression, Zhang Zhonghua could be sure that Yan Bugui was accepting things.

"Okay, second uncle, I don't care if you confiscate people's things, but no matter who asks you to introduce them, you can tell people that I am still young, and I haven't had this idea in the past two years, and now I still focus on work."

Zhang Zhonghua left without looking back.

"Hey......

Yan Bugui opened his mouth and wanted to say something, but he couldn't see Zhang Zhonghua anymore.

Zhang Zhonghua chatted with a few aunts who were chatting in the courtyard, then returned to his home, and went to bed as soon as he cleaned up after eating.

The second half of the night.

The door rang again.

Zhang Zhonghua got up and opened the door, and it was Liu Guangtian standing outside.

As soon as Liu Guangtian entered the door, he took out the small tape recorder from his satchel, he didn't want to put this thing down for a moment, and when he came out of Li Daqing's office today, his back was almost soaked with sweat because of nervousness.

And this thing is so expensive, I really accidentally broke it, and I can't afford to pay for it.

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Chapter 200 is free to read.