The establishment of an office in Xiamen is an important step for Duan Yun to lay out in the south in the future, this is just a beginning, if the factory becomes bigger in the future, and the electronics factory he founded also develops, Duan Yun will set up more offices in the southern big cities according to the specific situation.

After completing the formalities for Zhao Changfeng, Duan Yun immediately came to the workshop again.

The installation of the test bench went smoothly, and by the time of the afternoon work, all the circuits were in place.

Turning on the power supply, Duan Yun pressed the start button, and with the extremely fast rotation of the motor, the entire test platform began to run smoothly.

Duan Yun's transmission test platform can be manual or automatic, manual driving is no different from ordinary driving, but you can't experience the speed and direction of the car, and it is no problem to train ordinary drivers to get started.

In terms of automatic gear shifting, Duan Yun's platform can set the time of gear shifting, which can be changed five or six times in one minute, and around the gearbox to be detected, accessories for measuring temperature, noise and vibration are also installed, once the automobile gearbox has a violent vibration or the temperature is too high, it will automatically stop to ensure the safety of the entire test process.

After an overtime shift at night, Duan Yun was busy until almost 8 o'clock before going home, and Duan Yun was very satisfied with the results of the entire platform test, with this platform, Duan Yun will be much more efficient and safer when testing the new gearbox in the future.

After the successful development of the gearbox test platform, Duan Yu can finally breathe a sigh of relief and live a few days of relaxation.

From the beginning of the factory to build a plant, to the development of a new type of Longteng gearbox, Duan Yun has become commonplace to work overtime in the factory, but the above tasks are tight, he has to be busy, and now with the new products have been sent to Beijing to participate in the national quality competition, the mountain pressing on Duan Yun has finally been unloaded, and the rest is to wait for the results of the national quality evaluation, and usually only need to go to the factory to supervise production.

The heavy responsibility on the factory's side has come to an end for the time being, and Duan Yun can finally free up his hands to prepare for his own electronics factory.

Regarding the matter of applying for the business license of the electronics factory, Duan Yun needs to wait until the end of the year to give gifts to the relationship, which will take some time.

At present, what Duan Yun wants to do is to develop the main products of the electronics factory in advance.

In fact, at present, Duan Yun's workshop has been assembling and producing subwoofer audio, which is still very good in terms of sales reputation in the Daxing market, and has also accumulated a lot of money for Duan Yun.

Now, after a few months, Duan Yun has nearly 300,000 yuan in hand, which is enough for him to start a small electronics factory.

With the funds to set up a factory, Duan Yun is going to start designing the main fist products in advance, in addition to subwoofer speakers, Duan Yun also plans to focus on car audio.

The reason why he chose car audio as the future product of his electronics factory, on the one hand, is because Duan Yun currently has more places to deal with the automobile factory, and his future product sales and contacts are all around the automobile industry, and the car audio radio is basically the standard configuration of all cars, Duan Yun research and development of this product, both in technology and future sales are advantageous.

Another point is that Duan Yun developed car radios, and the ultimate goal was to catch the ride of Santana car localization, Santana cars have high technical content in other parts and components, and domestic production is difficult, and only this car radio can be regarded as the easiest breakthrough in the localization of Santana cars.

In fact, since October 1984, China and Germany each invested 50% of the establishment of Shanghai Volkswagen Automobile Co., Ltd., the country has always put the localization of Santana cars as an important thing on the agenda, but until 1987, the localization rate of Santana has not been able to rise, only tires, radio antennas and signs, the "four major pieces", the rest of all rely on imports.

Before 1987, Santana car antennas and radios can be localized, indicating that the quality of domestic electronic technology can meet the requirements of Santana cars, which is also Duan Yun wants to use car radios as a breakthrough, as the main product of his future establishment of electronic factories, and once it can become the designated supplier of Santana car radios, then Duan Yun's electronics factory will obtain stable and large number of product orders for at least ten years or even longer.

However, the development of car radio is not a very easy thing, compared with ordinary radio, car radio is well-made, the power is much larger than the general home radio, the general home radio power is about 50 milliwatts to one watt, and the car radio is generally more than 5 watts, and the fidelity is higher.

It is precisely because the power is higher than that of ordinary home radios, so car radios can receive some radio stations that cannot be received by home radios, with high signal fidelity and very good sound quality.

Duan Yun has experience in improving radio antennas and audio before, logically speaking, it is not difficult to design a car radio, but in fact, due to the high power of the car radio, the car is often in a vibrating environment, and the vehicle receives a series of problems such as changes in the strength of the signal during driving, etc., which must be solved.

Duan Yun had never touched car radios before, so if he wanted to design and produce this kind of product, he had to find some suitable samples for reference.

At present, there are very few local cars in Daxing, and there is no car radio on ordinary trucks, even if it is a truck driver who runs long distances, he only carries a home radio with him, but it is not a special car radio, and the difference between the two is very big.

If Duan Yun wanted to get a sample of the car radio, he could only go to the Daxing Automobile Factory again, where the variety of vehicles produced, including some slightly more advanced cars, which should be equipped with car stereos.

Early in the morning of the second day, Duan Yun drove to the Daxing Automobile Factory.

Li Xiu, the director of the factory, inspected the production in the workshop, and he was received by Wang Baoguo, the deputy director of the factory.

Now Duan Yun has a good personal relationship with several main leaders of Daxing Automobile Factory, and in private, Duan Yun asked Cao Dong to send a set of antennas and speakers to each of them for a "trial", and also send some cigarettes and alcohol during the New Year's holidays, mainly for Duan Yun to be more convenient when he gets orders in the future.

After learning of Duan Yun's intention, Wang Baoguo took him to the car class.

In the corner of the garage, there is a Shanghai brand car, which is a car specially purchased by Daxing Automobile Factory in order to study the production technology of Shanghai Automobile Factory, and some internal assembly parts of the car have been disassembled, leaving only 4 tires and a shell.

However, when Wang Baoguo opened the door of the car, Duan Yun saw the car radio embedded in the passenger seat at a glance.

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