Duan Yun has been at a critical moment in the factory for technical transformation in the past few days, but this matter is not as good as the emotional matter between him and Cheng Qingyan.

The factory can be profitable one or two months later, but love is a lifelong thing, and Duan Yun must invest a lot of time and energy to operate slowly.

After the army left, Duan Yun arranged for the research team to work overtime at noon to continue to debug the heating furnace.

During the debugging process, Duan Yun found that there was a problem with the instrument display of the two heating furnaces, and the thermocouple pyrometer was still used in this furnace, and several of the thermocouple contacts had problems, and after a long time of operation, there would be serious errors in the temperature display.

In Duan Yun's view, compared with the machining equipment of gears, heat treatment equipment is also equally important, if you want to meet the requirements of the manufacturer, you must strictly control the heat treatment process.

Later generations of gear processing are all electronic carburizing furnaces, but at present, there is no mature carburizing technology and equipment in China, and foreign imports are unrealistic, after all, the country's foreign exchange is too precious, and it is impossible for Duan Yun's large collective to apply for sufficient foreign exchange quotas in several lifetimes.

Therefore, judging from the current situation, Duan Yun can only think of his own way to modify the heating furnace to meet the qualified process requirements.

In the past, I didn't know that firewood and rice were expensive, but now that Duan Yun has become the manager of the company, he must also learn to live a careful life.

At present, Duan Yun has borrowed 200,000 yuan from the bank, and there is some money in the factory, but there are still many places to use money in the factory in the future, in addition to the wages and bonuses of workers, in addition to the purchase of various raw materials and equipment, the funds are not rich, and they must be spent on the blade.

If you buy new heating furnace equipment, it is definitely not a small amount of money, and the equipment you bought back is still a backward product, which can only be used improvised, and it cannot achieve the functions that Duan Yun needs, so the best way for Duan Yun now can only be to repair and modify the existing equipment.

Duan Yun knows the design and working principle of this heating furnace well, in his opinion, it is completely possible to convert this furnace into a CNC heat treatment furnace through his own electronic technology, to achieve one-button operation, accurate temperature control, if the funds are abundant in the future, Duan Yun can also convert these two furnaces into carburizing furnaces, Duan Yun still knows some technology in this regard.

However, if the equipment used for modification is purchased from regular channels, it also costs a lot of money, in fact, as far as the current situation is concerned, Duan Yun can use some second-hand temperature control instrument equipment.

As for the channels for buying second-hand temperature control equipment, Duan Yun quickly thought of Qian Deqiang.

Qian Deqiang has been doing the business of reselling welding rods at the Daxing Electric Power Construction Company, and there are also channels to buy various old equipment and materials for power plant replacement cheaply from the waste warehouse of the energy construction area of the power construction company.

For a whole afternoon, Duan Yundu and the members of the research team soaked in the workshop to repair and debug the equipment, and did not leave the factory to go home for dinner until more than six o'clock in the afternoon.

Duan Yun was very tired after a busy day, but fortunately, his mother's logistics work was very good, Duan Yun had hot meals when he entered the house, and after the meal, his sister Duan Fang cleaned up the dishes and chopsticks, and his mother poured Duan Yun a basin of steaming foot washing water and brought it to Duan Yunxiang's hut.

This scene moved Duan Yun a little.

Mother's love is undoubtedly the most selfless kind of love, when his feet are put into the basin, it seems that the tiredness around his body is swept away, and only bursts of warmth are left in his heart.

However, after Duan Yun washed his feet, he immediately changed into clean new clothes, and then carefully combed his hair with the newly bought hair wax before going out.

There is a class in the night school tonight, and Duan Yun is going to pick up Cheng Qingyan.

After getting into the car, Duan Yun glanced at the shiny new leather shoes under his feet, and couldn't help but wipe them a few more times.

People rely on clothes and horses to rely on saddles, since they are pursuing their favorite girls, they must come up with a correct attitude, they must pay attention to their appearance, and at least they must be a little brighter.

After starting the car, Duan Yun soon came downstairs to Cheng Qingyan's house.

In the past, after Duan Yun arrived at the place, he would press the horn twice first, but what surprised Duan Yun today was that Cheng Qingyan was already waiting at the entrance of the unit at this time.

It's the middle of April, and although the weather in the north is still a little cold, the days are getting longer and longer, and the sun has just set now, and it hasn't completely darkened.

Cheng Qingyan on the opposite side also seemed to be dressed up today, her hair was not tied together, but she was wearing a delicate floral hairpin. Draped over his shoulders like a waterfall, with a delicate fair face, red lips, and a beige Nizi trench coat, he looked particularly slim at a glance.

"Qingyan!" After Duan Yun got out of the car, he smiled and waved his hand.

"Hmm. After seeing Duan Yun, Cheng Qingyan also walked over with a smile on her face and said to Duan Yun, "What do you mean in the afternoon?"

"What's wrong?" Duan Yun was stunned when he heard this.

"I bought so much food, and I was startled when the army sent it over, do you mean you want to raise me as a pig?" Cheng Qingyan asked with a raised eyebrow.

"Hahaha, you're right, that's what I intended. Duan Yun laughed when he heard this, and then stepped forward to take Cheng Qingyan's hand.

"My dad is watching upstairs......" Seeing this, Cheng Qingyan gently retracted her hand and reminded in a low voice.

"Ah......" Duan Yun turned his head and glanced at the balcony window of Cheng Qingyan's house when he heard this, and sure enough, he saw a cigarette butt flickering on and off, and then asked, "By the way, did you tell your father about us?"

"Get in the car. ”

"Okay. Duan Yun nodded, turned around and opened the door and got into the car.

To Duan Yun's surprise, Cheng Qingyan sat directly in the co-pilot's seat this time, whereas in the past, she had always sat in the back seat.

After the car started, Duan Yun quickly drove out of the community.

"This money is for you......" After the car drove into the factory road, Cheng Qingyan handed Duan Yun two bills.

"What do you mean?" Duan Yun frowned when he saw this.

"The money for snacks ......," Cheng Qingyan said.

"What are you kidding, who have you heard say that you have to pay for your girlfriend to buy snacks for your girlfriend? Hurry up and take it back, and I'll buy you whatever you want to eat in the future." Duan Yun pouted and said.

"I know you're making some money in business now, but that's your own money, I have hands and feet to work and earn a salary, why eat other people's things for nothing. Cheng Qingyan said.

"It's not interesting for you to say that. Duan Yun turned his head and glanced at Cheng Qingyan, and then said with a smile: "You are all about to become my daughter-in-law, what ......kind of snack is this snack?"

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