At this moment, on the workbench, there were blueprints laid out. Chen Wanchun picked up the blueprints for the suspension system and looked at them with increasing displeasure.

Seeing his master's expression, Zheng Wenhua knew that something must have gone wrong again.

"Master, the ball joint and bushing were just reinforced, why are you still sighing?"

Hearing his apprentice's words, Chen Wanchun shook his head and explained, "It's not a problem with the ball joint or bushing, it's a problem with the spring. The spring stiffness is not enough and it falls far short of the standard."

Upon hearing this, Zheng Wenhua also realized the consequences of insufficient rigidity.

But there was nothing he could do; they were mechanical engineers, but they couldn't develop special steel.

Just then, Sun Zhengguo walked in from outside. Seeing him coming, Zheng Wenhua remembered someone.

"Master, why don't we ask the director to think of a solution? Doesn't he know Wang Lefeng from the Iron and Steel Research Institute? Surely that crazy Wang wouldn't refuse to help him?"

"You mean Wang Lefeng? He's capable, but...? Oh well! It's useless, it's useless, don't even ask why?"

Chen Wanchun directly rejected his apprentice's idea. Didn't he think of that?

No, the main reason is that Wang Lefeng cannot be found. Just half a year ago, this person mysteriously 'disappeared,' and he doesn't know where to look for him.

At the same time, based on his experience, Wang Lefeng was most likely transferred to a secret research unit, which is why he didn't allow his apprentice to ask.

What are you discussing?

Seeing Sun Zhengguo approaching, Chen Wanchun had no choice but to tell the truth.

"Chief, the spring stiffness of the new car is insufficient. What should we do now?"

"Oh! Old Chen, could you elaborate on how much pressure these springs can withstand?"

"Yes, Director."

Chen Wanchun already knew these data by heart, so he didn't even need to look at the information and just blurted it out.

"According to tests, each wheel can now withstand a pressure of about 400 kilograms when static, and less than 800 kilograms when dynamic."

Upon hearing this data, Sun Zhengguo frowned.

In static conditions, it's alright, barely passable, but in dynamic conditions? It's far from satisfactory.

Based on this data, once a car is on the road, if it carries several people and the road conditions are poor, it will probably be completely destroyed.

After pondering for a moment, Sun Zhengguo still couldn't solve the problem, but he had already thought of someone who could.

"Alright, Lao Chen, leave this problem to me. Now, if there are any other issues, please feel free to raise them."

"The other problems are not serious and can be overcome."

Hearing Chen Wanchun say this, Sun Zhengguo was still a little uneasy, and the two discussed these issues again.

It wasn't until half an hour later that Sun Zhengguo left the small workshop, then went to the laboratory, and then to the branch factory...

After he finished his walk around and found nothing wrong, he returned to his office and made a phone call.

At noon, not long after lunch, a military jeep arrived at the research institute on time.

Needless to say, the person who came was Staff Officer Lu. Chen Zhonghua was already used to it and quickly went to call for help.

"Zhonghua, same old rule, call that number if it's urgent."

"Yes, Director."

After giving his instructions, Sun Zhengguo picked up his briefcase, went downstairs, got into his car, and drove all the way to the military research institute.

Nothing happened along the way.

Half an hour later, the car arrived at the location. Staff Officer Lu went back to report, while Sun Zhengguo went directly to the laboratory.

For more than a year, he has been able to come and go as he pleases, and has become extremely familiar with the place.

When Engineer Wan saw Sun Zhengguo arrive, he quickly ran over to greet him.

"Director Sun, you're here again."

Sun Zhengguo smiled and nodded. "Mr. Wan, you're too kind. By the way, where's my teacher?"

"He's testing new materials in the lab! I'll go get him."

Engineer Wan is a man of great energy and efficiency. After saying this, he ran to the room next door.

Looking at his agile movements, which were hardly those of an old man, Sun Zhengguo couldn't help but shake his head and smile bitterly.

Through more than a year of contact, Sun Zhengguo has gained some understanding of these experts and has long admired them greatly.

Some of them have been working under assumed names for over a decade, doing this kind of tedious and boring job.

Even their families didn't know whether they were dead or alive.

Sun Zhengguo believes he cannot do what Sun Zhengguo did with such selfless dedication.

real!

He might be able to do it for a year or two, but he really can't do it for ten or twenty years.

Just as Sun Zhengguo was lost in thought, Professor Wu came out of the room.

"Jung-guk, didn't you just come a few days ago? Why are you here again?"

"Teacher, I had no choice. The car's development was stuck at the last minute because of the materials, so I had to come."

After listening to his apprentice's words, Professor Wu nodded, understanding that he had come to see Wang Lefeng.

"Let's go! Engineer Wang just finished developing the materials for us and is keeping me company in the lab while I do experiments!"

Sun Zhengguo nodded and followed the teacher inside.

As soon as the two of them entered the room, a frantic shouting came from inside.

"It's done, Professor Wu, the new high-temperature resistant material has passed the test perfectly..."

Immediately afterwards, Sun Zhengguo witnessed a famous scene.

Wang Lefeng, sporting a messy, unkempt hairstyle, was jumping around, performing a strange dance.

"Sigh! He truly lives up to his reputation as Madman Wang," Sun Zhengguo sighed softly.

"Cough cough cough!"

Professor Wu coughed and reminded him, "Um... um, Engineer Wang, Zheng Guo is looking for you."

Upon hearing the sound, Wang Lefeng turned around, revealing a look of surprise.

"Wait a minute! Professor Wu, why did you come in from outside?"

However, when Wang Lefeng saw Sun Zhengguo, his expression instantly changed to one of surprise and delight.

"Jung-guk, when did you arrive?"

"Hahaha!" Sun Zhengguo laughed loudly, "Old Wang, I just arrived too, I hope I didn't bother you?"

"No, no, I should thank you! If you hadn't reminded me last time, the new high-temperature resistant material wouldn't have been completed so quickly."

As he spoke, Wang Lefeng took out the experimental data sheet and handed it to Professor Wu.

Professor Wu took the data sheet, skipping over the earlier parts and looking directly at the final result. A look of surprise appeared on his face.

"Not bad, not bad at all. It can withstand temperatures above 2000 degrees Celsius, which is a significant improvement over the original specifications. Excellent! I really have to thank you, Engineer Wang."

Seeing Professor Wu happy made Wang Lefeng very happy too.

He has no ambitions in his life, he just likes to work with steel. Now that he has been recognized, he feels extremely satisfied.

After reviewing the data sheet, Professor Wu prepared to report to Director Ma, and thus instructed his apprentice.

"Zhengguo, I'm going to see Director Ma. Didn't you need to see Engineer Wang? You two can talk here."

With that, Professor Wu left the room. Only after he left did Wang Lefeng realize what had happened.

"Jung-guk, why didn't you say you needed to see me sooner?"

"Hey! This is perfect timing! I happen to have some materials here that I need your help with."

“No problem. In this lifetime, as long as you, Sun Zhengguo, come to me, I will never say no.”

Wang Lefeng agreed without hesitation, his words revealing his gratitude towards Sun Zhengguo.