After carefully explaining to the Zuo brothers and sisters, Ning Zhiheng then returned to the Military Intelligence Investigation Office.

Three days passed quickly and everything went smoothly. Zhao Jiang, who was responsible for surveillance of Du Qian, came back to report that the agents of the Party Investigation Office had indeed evacuated and no one followed Du Qian again. Ning Zhiheng asked him to continue surveillance and should not be slackened.

Du Qian has already claimed outside that his new backer is Ning Zhiheng's team leader of the Military Intelligence Investigation Department. As a result, so far, there has been no abnormal movements on the General Police Department.

However, the investigation of the Zuo brothers and sisters has already achieved a rough result.

In the living room of the Zuo family, Ning Zhiheng looked at the pieces of materials in his hand and asked, "Have you figured out all these situations?"

Zuo Gang said respectfully: "I have checked all the general situation, but I haven't checked it in detail, for fear of missing out!"

Ning Zhiheng nodded and said, "It's enough to have these. Let's go for a trip tonight. First check the warehouse of Hengfeng Trading Company. If there is no inventory record, check their account books!"

Ning Zhiheng's idea is to start with the cargo transportation process first, and check as long as it is possible to handle the cargo operation records to see if there are any clues.

That night, Ning Zhiheng and Zuo Gang both asked Zuo Rou to disguise. Ning Zhiheng and Zuo Gang's appearance suddenly got much older, wrinkles on their foreheads piled up, and they were wearing blue worker outfits, and they looked like two middle-aged workers!

The two rushed all the way to the warehouse of Hengfeng Trading Company. The courtyard wall was very high, but it was not a problem for both of them.

Zuo Gang and Ning Zhiheng both jumped over and turned over. Zuo Gang knew that Ning Zhiheng must be good at his skills, but he witnessed Ning Zhiheng's agility as if he were a cat, and his every move was silent. He couldn't help but secretly admire that if he was not right beside Ning Zhiheng, it would be almost impossible to detect his movements.

I, an old man who is used to doing these things, cannot compare to an officer in such a way to overturn the walls and overrun the household. I think it’s really embarrassing and discouraging.

When he came to a two-story tile house in the yard, Zuo Gang pointed and whispered: "There is a guard on duty living downstairs. The office is upstairs, and the records of entry into the warehouse should be upstairs."

Ning Zhiheng nodded, Zuo Gang signaled him to wait and slowly stepped forward. He had already stepped on it in the past two days, and had a good time fumbled around, and then sneaked into the house.

After a while, he opened the door and waved to Ning Zhiheng in the dark. Ning Zhiheng then quickly stepped forward into the room.

"The person is already confused, and now he can't wake up even if he thunders!" Zuo Gang pointed to the room. These were what he was used to and he didn't take much time.

Ning Zhiheng also nodded secretly. In terms of skills, only Sun Jiacheng could suppress the Zuo brothers and sisters, but these methods in the world were probably inferior.

The two went upstairs, and Ning Zhiheng signaled Zuo Gang not to move around. He first forced himself to remember the environment and arrangement of the room, and then he started searching.

Zuo Gang watched Ning Zhiheng's searching lightly, and after searching each place, he carefully returned to its original state. Only then did he know why he didn't let him intervene. It seemed that the real agent's methods of doing things were much more meticulous than that of himself.

Soon Ning Zhiheng found a record book, and after he opened it, he recorded the goods entering and leaving the warehouse.

He carefully observed some records of entry and exit from warehouses for nearly twenty days, especially those a week ago. Unfortunately, there was no record of that batch of cotton cloth at all.

I checked it carefully and confirmed that there were no omissions. It seemed that this batch of goods was shipped directly and had not been transferred here.

Ning Zhiheng was not surprised. He just checked step by step. If the records of that batch can be found from here, if not, then continue to check it up. Such a large batch of goods will be shipped in reverse, and there will be no trace at all.

After clearing all the traces, the two of them left the warehouse compound according to the same route. When the staff on duty wake up tomorrow, even if they find something wrong, they will not be able to find the problem.

Then the two of them came to Hengfeng Trading Company not far away. Zuo Gang pointed to the office building in front of him and said: "The east side of the second floor is the office of Hengfeng Trading Company. Turn right at the stairs to the third room is the accounting room! There are no staff on duty here at night, but their door locks are very strong, and they are new double-hole locks, which will take some time to open!"

Ning Zhiheng nodded. It seemed that Zuo Gang was very careful in doing things. He had carefully examined all the situations in the past two days. This was the first time they did things for Ning Zhiheng. Of course, they were so energetic that they had done a lot of preparations and did a lot of work.

The two of them climbed up to the second floor with their hands and feet, entered the building through the ventilation window at the stairs, and soon arrived at the door of the accounting room of Hengfeng Trading Company.

Zuo Gang took out a cloth bag, and after it was unfolded, it was full of various small lock-opening tools.

"Then I'll leave it to you. Don't rush and take it slowly. Don't damage the lock core and leak the wind!" Ning Zhiheng said.

Zuo Gang nodded and started to unlock it. Time passed by little by little, and finally, with a "pop", the lock ring gently opened.

The two of them pushed the door open, turned around and gently covered the door. Just like last time, Zuo Gang did not move at the door now, and Ning Zhiheng was responsible for the search.

The layout of this accounting room is very simple. Ning Zhiheng remembered it briefly and started searching. He also found a small safe in the corner of the room. There should be more important things inside, and there should be a small portion of cash or important documents.

I hope it won't be hidden in the safe. If this is true, Ning Zhiheng can only give up. Neither he nor Zuo Gang can open the safe without any trace. Then the next step is to start with the staff of Hengfeng Trading Company, such as the accountant who handles tax collection procedures, the specific staff who brings carts to pass the customs, etc.

However, as long as people are involved, people are not dead objects, there is too much uncertainty, and the news may be leaked, which is contrary to Ning Zhiheng's original intention.

He wanted to find the person in charge of the drug front of the underground party organization without disturbing anyone, otherwise wouldn’t he be quicker to find Wan Huarong?

He carefully searched the document records for nearly twenty days. Fortunately, Ning Zhiheng was lucky. Such ordinary goods delivery documents were not so important yet, Ning Zhiheng finally found what he wanted.

This is a purchase document eight days ago, which indicates that Hengfeng Trading Company has purchased a batch of cotton cloth from Demao Company.

The time and the goods are right, it should be the batch of goods Du Qian mentioned. Ning Zhiheng recorded the content of the document and got what he needed. He quickly returned to his original state, cleaned the traces, and with Zuo Gang left the accounting office, locked the door, and returned according to the original route.

It was already midnight at night, and the two of them returned to the Zuo family. Ning Zhiheng told Zuo Gang: "Find out this Demao company, find out the background and situation of the company, especially the person in charge of the company, and the situation of their company's transportation vehicles, and then report it to me as soon as possible."

Zuo Gang nodded and said that he would find out the situation and report it as soon as possible. Ning Zhiheng went home to rest.

Zuo Gang was very quick and reported the investigation one by one the next night.

"This Demao Company is near Hengfeng Trading Company. It has a newly established new company with a small storefront and average scale. The company's manager is the boss, named Zhu Hongbo, who is in his early forties." Zuo Gang reported carefully to Ning Zhiheng.

"Just established? How many days have it been!" Ning Zhiheng asked.

"It's about half a month!" Zuo Gang replied.

When Ning Zhiheng heard this, he knew that his goal should be right. It has been more than 20 days since Wu Quanjiang's accident. The transportation line of the underground party organization has to lurk for a while. Then he started to build a new drug transportation line and opened this Demao company. The time arrangement is very clear!

"Are there any transport vehicles?" Ning Zhiheng asked.

"Their backyard is a large courtyard. When I passed by the door, I saw an old truck parked there. Their company is not large and should not be able to afford more vehicles!" Zuo Gang said.

In this era, it is quite expensive to maintain a truck. First of all, the car itself is expensive, the gasoline is expensive, and the repair is expensive. Generally, companies hire vehicles from large companies when they need transportation, and they rarely spend this unnecessary expense!

"Supervise Zhu Hongbo, record all the places he has been to and people he has seen in a day. Remember, it only requires records of the location and people. For example, the specific conversation content is not needed. Recording at a distance is enough! This person is very likely to have the ability to counter-track. You do not have the experience of surveillance, so don't get too close to him, which will easily shock him." Ning Zhiheng ordered that he did not know whether the Zuo brothers and sisters had the ability to track the target and did not dare to take risks.

"I know, I will never get close to you!" Zuo Gang nodded. To be honest, they have done such things as surveillance people and have some experience. However, since Ning Zhiheng gave his instructions, they dare not disobey! Ning Zhiheng's meaning is very simple, and everything is based on the principle of not disturbing the target.

"We also need to pay more attention to the situation of the transport vehicles staying in their backyard. If there is any change, please notify me in time!" Ning Zhiheng ordered again.

The next two days were calm until Du Qian called to report.

"Team leader, the two trucks of Hengfeng Trading Company have returned and are being inspected at the Kangyuankou checkpoint. What instructions do you have?" Du Qian asked respectfully. Ning Zhiheng had specially explained that he had to report these trucks immediately. How dare he be lazy about his new master? He has been focusing on the Kangyuankou checkpoint for the past five days, for fear of missing the target.

Today, he finally found out, so he quickly reported it to Ning Zhiheng as soon as possible.

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What kind of goods were pulled in the car?" Ning Zhiheng asked.

"The documents are all very ordinary mainland specialties. We checked them carefully, there is no problem! Do you want me to detain them?" Du Qian asked carefully.
Chapter completed!