Xishuangbanna.
A newly renovated stilt house.
The woman was holding the hand of a three or four-year-old child and applying ointment.
The mosquitoes in Banna are too fierce. It’s September and they still have the same appetite.
The child was just naughty and ran out of the mosquito net, and was bitten and cried loudly.
The bamboo door of the stilt house was pushed open from the outside.
A man carrying a bamboo basket walked in from outside, with a strong smell of mugwort on his body.
When the woman saw her husband come back, a look of joy appeared on her face, and the child kept calling out "Dad".
He said a mosquito bit him and asked his father to kill the bad mosquito.
The man first smiled at his wife, then coaxed his son with a few words, and then carefully put down the bamboo basket.
The woman asked with a hint of anticipation.
"You bought it?"
"Yes, I bought it."
The man rubbed his hands and opened the cloth on the bamboo basket, then steadily took out a radio that was 70% new from the basket.
The woman had a happy look on her face. She hugged her son who was about to rush forward crying. While coaxing the child, she watched her husband put the tape recorder on the table and started adjusting the antenna and channel.
The sound of electric current rang out in the small stilt house, and finally became clearer.
“This is the Supreme People’s Broadcasting Station….”
The woman looked at the radio with a hint of heartache in her joy.
The couple has taken the college entrance examination twice, but unfortunately failed both times.
Three months ago, they learned at a gathering of educated youth that the Supreme Radio Station had launched a review column program.
Several of the educated youth who were admitted to university this time had been listening to this program before.
This time, the two of them discussed it for a long time and gritted their teeth to spend their savings of half a year to buy this second-hand radio from an educated youth who had been admitted to university.
It is not easy to find a second-hand radio in Banna, and it is not cheaper than buying a new one directly in my hometown.
The man adjusted the radio, turned to smile at his lover, and took out a large book nearly two inches thick from his backpack as if presenting a treasure.
The moment she saw the name on the cover of the book, the woman cried out in surprise.
"It's the review series from Minzu University!? Where did you buy it?"
The man smiled triumphantly.
"Xiao Wu from the rubber farm was admitted to a technical secondary school this year. He didn't plan to continue taking the exam, so he sold this book to me at half price."
The woman hurriedly lifted the mosquito net and took the book in her hands, a hint of excitement in her expression.
"We didn't pass the exam this year, and I was just worrying about next year's exam."
"But now that you have this book, and you're only eleven points away from passing this year, I think you'll be able to become a college student next year."
The man smiled at his lover and said, "Madam, you have to work hard too. I don't think you can escape from a technical secondary school."
"Thank you for the encouragement from my husband. Haha, I will do my best!"
The woman replied with a smile.
"But it doesn't matter if I don't pass the exam next year. I heard some news when I went to the farm today. It seems that the policy for returning to the city here is going to change."
"If I haven't passed the exam yet, I'll take the kids back to Taoling and wait for you!"
Ma Hongying smiled and lifted her son high above her head to prevent him from tearing the crucial book.
......
The night is dark.
My son was already fast asleep in the patched mosquito net.
Shi Qianjin and Ma Hongying were sitting cross-legged on a mat inside the mosquito net, listening attentively to the explanation of the topic on the radio.
The pen in my hand never stopped.
"...Now let's look at page 315 of the series. Many of you have already heard this pool problem before, so I've changed the question this time..."
"Assuming a Fresh Air fan can change the air in a classroom once an hour, then..."
Shi Qianjin and his wife listened very carefully. Shi Qianjin even thoughtfully wrote down the term he heard for the first time - ventilation fan - in his notebook.
What he didn't expect was that they heard this term again on the radio in the next few days.
"...This is a physics problem that our Minzu University students figured out."
"...they gave a question about the air flow problem of the Fresh Air Fan and the relevant formula..."
"...When writing about the Four Modernizations, it's inevitable to mention scientific and technological progress. However, I've noticed that most students are somewhat disconnected from our current scientific research developments. Just this year, several of our manufacturers developed domestically produced refrigerators and washing machines, as well as internationally advanced Qingxin brand ventilation fans..."
…
A rough big hand turned off the radio knob.
The man in the clothes frowned and muttered three words: "Ventilator"?
These things were nothing new to him. There were many such devices in their workshop because of the dust.
However, the ventilation fans used before were powerful but also noisy, so he and his colleagues suffered some hearing damage.
The man picked up a newspaper on the table thoughtfully.
He came across an excellent article in a university essay contest that he had read during the day, which also gave a comprehensive introduction to a device called Qingxin brand ventilation fan.
Although this column teaches people how to write descriptive and expository essays, men are more interested in whether the product in this expository essay is helpful to their workshop.
"It shouldn't be easy to allocate this product to a company affiliated with Minzu University, right?"
"How about we just try it out like a blind cat catching a dead mouse?"
…
Zhang Hongcheng's suggestion is not worth mentioning in later generations.
But in 1978 it was an extremely classic marketing case.
Director Qin and Factory Director Su were concerned about the effectiveness of this plan, while Zhang Hongcheng himself was concerned that this plan did not touch on any sensitive issues.
The phone in Director Su’s office was almost blown up. He tried to make excuses according to what Zhang Hongcheng taught him, saying: Out of stock!
As a result, a few days later, a certain ministry system forcibly issued an allocation order with a very high priority.
He directly allocated one-third of the ventilation fan inventory from Director Su.
The lightweight version of the range hood also received orders for thousands of units. After canteen managers from various units in Beijing "accidentally" visited the new equipment in the Minzu University canteen, the demand for this new product became very strong.
It’s not that they produce a lot of smoke when cooking, but because they mostly burn coal.
That smell, especially when the coal is burning and has been visited by rats...
The business of the Cardinal Fan Factory quickly became prosperous.
The new exhaust fans and range hoods that they had previously been unable to sell were sold out in just half a month due to calls from people all over the country.
At this moment, Zhang Hongcheng was feeling nervous as he was facing his first stage performance in two lifetimes.
The freshmen of Minzu University's 7th and 8th classes have already registered for admission.
The first official audience of the five-episode condensed version of Wulong Mountain was the freshmen of Minzu University.
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