Eternal Science and Technology 2024 Learn About Us in One Article


Eternal technology products cover 5 series of permanent magnet, silicon steel and soft magnetic measurement, with more than 40 products. The products include gaussmeter, magnetic flux meter, magnetic moment magnetic declination measuring instrument, surface magnetic distribution measuring instrument, permanent magnet material measuring system, soft magnetic material measuring system, silicon steel material measuring system, etc.

Hunan Yongyi Technology Co., Ltd. (hereinafter referred to as "Yongyi Technology") was established in January 2011. It is located on the 10th floor of the New Cooperation International Trade City, Loudi Economic and Technological Development Zone, Hunan Province. The main enterprise is based on the development of high-end magnetic measurement instruments and equipment suitable for the development of modern magnetism and the popularization of online universal magnetic measurement equipment, taking into account the design of magnetic field magnetic circuit. Since its establishment, our company has successively obtained enterprise certification, ISO9001 quality management system certification and ISO14001 environmental management system certification. In 2021, we became a member of the magnetic working group of the National Electromagnetic Metrology Technical Committee, and in 2023, we were recognized as a specialized and special new small and medium-sized enterprise in Hunan Province.

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Maintain the advanced level of the industry

  Zhu Yonghong, the project leader and engineer of Eternal Science and Technology, led the team to continuously explore and research, and developed and produced FE-2100 series of magnetic material automatic testing devices. The products cover 5 series of permanent magnet, silicon steel and soft magnetic measurement, with more than 40 products. The products include gaussmeter, magnetic flux meter, magnetic moment magnetic angle meter, meter magnetic distribution meter, permanent magnet material measurement system, soft magnetic material measurement system, silicon steel material measurement system, etc, product performance has reached or exceeded the level of international counterparts, related products have been partially exported.

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  The company has hired Qu Qingchang, founder of modern magnetic measurement equipment, and Chen Duxing, a world-renowned magnetic expert and professor of Barcelona Autonomous University in Spain, to participate in various research and development work. Under the guidance of teacher Qu Qingchang, ZL was invented in "Method of Measuring Basic Hysteresis Lob of Soft Magnetic Materials by Measuring Device.

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  Under the guidance of Professor Chen Duxing, the tests of soft magnetic open-circuit rod-shaped samples and DC magnetic properties of soft magnetic material metal ring-shaped samples were studied, and ZL of "Standard Sample Determination Method for DC Magnetic Properties of Ferromagnetic Cylindrical, Calibration Method for Magneticometer" and "Measurement Method for DC Magnetic Properties of Closed-loop Soft Magnetic Materials" were obtained. At the same time, relevant measurement papers on permanent magnetic, soft magnetic and silicon steel were published in important journals such as IEEE, JMMM.

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List of Periodicals Published by Our Company in Recent Years

  At present, the core personnel of our technical team have more than decades of experience in magnetic measurement equipment development and magnetic field design. At the same time, the company has rich theoretical knowledge and practical experience. All technical personnel have been rooted in the front line for a long time and have always focused on product design. And manufacturing. In addition to providing users with reliable products, Eternal Technology also provides relevant knowledge popularization of magnetism and magnetic measurement, and provides reasonable suggestions according to user needs, and becomes a user's friend! Starting from 2019, because our test data is closer to the actual simulation data and application data of users, it has been recognized by users at home and abroad, providing more than 1000 samples per year for the industry.

Eternal products sell well at home and abroad

Solve the technical barriers of magnetic measurement

  Eternal Technology has now provided relevant testing equipment for more than 1000 domestic magnetic material manufacturing enterprises and application enterprises, as well as the design and manufacture of special magnetic fields. Provide relevant equipment for Hangzhou Quadrant, Yingte, Hengdian Dongci, Ningbo Yunsheng, Antai Technology, Zhongke Sanhuan, Zhonggang Tianyuan, yingluohua, Jinli Permanent Magnet, Longci Technology, Baoshi, Jingquanhua, Huawei, Dajiang, Midea, Gree, BYD and other enterprises, and become suppliers of ABB, APPLE, BOSCH, Schneider, Embraco, Arnold, Magnequenchd and other internationally renowned enterprises.

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  As a company that provides technology and manufacturing for the global magnetic measurement market, we are quietly deeply cultivated, and our products are sold all over the world, including Germany, France, the United States, Mexico, New Zealand, Australia, Turkey, Slovakia, Israel, Russia, Singapore, Pakistan, India, More than 20 regions including Bangladesh, Myanmar, South Korea, Vietnam, Taiwan and Hong Kong.

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  For a long time, Yongyi Technology has been pursuing technological innovation and friendly user experience, and has continued to develop a number of new products suitable for the application needs of the international market. From design, procurement, manufacturing, inspection to export packaging and transportation are in line with international standards.

At present, Eternal Technology uses some basic equipment in the process of magnetic measurement and detection and magnetic field manufacturing and development, including the US lakeshore 480 flux meter, the US F.W. bell 6010 Gaussmeter, the US Keithley2400 digital meter, the US CH2335A power meter and the OE022D lock-in amplifier. At the same time, it has established a good cooperative relationship with the Institute of Metrology, Zhejiang Academy of Metrology, Magnetic Material Product Quality Supervision and Inspection Center, and Ningbo Institute of Metrology, and carried out relevant experiments on the calibration and value transmission, and cooperated to complete the project of the Technical Supervision Bureau. The development of testing equipment will become a member of the Magnetic Working Group of the National Electromagnetic Metrology Technical Committee in 2021.

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Eight-stage magnetic navigation electromagnetDisplay diagram

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FE-2100AM permanent magnet magnetic declination measuring instrumentDisplay diagram

Working hand in hand for more than 30 years

  Zhu Yonghong has been engaged in the research of magnetic measuring equipment and the design and manufacture of magnetic field for more than 30 years. In May 2017, Professor Chen Duxing and researcher Qu Qingchang were hired as technical consultants to carry out in-depth development and research in the measurement of permanent magnetic materials and soft magnetic materials. Many papers were published in major journals, which solved the current IEC standards. Some uncertainties and controversial problems in the actual testing process have attracted the attention of international peers, and relevant technologies have been applied to testing equipment.

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Engineer Zhu Yonghong (left) and Professor Chen Duxing (right) are discussing product research together.

  Professor Chen Duxing said that I have a premonition of some kind of fate and hope to complete my unfinished business in eternal science and technology. I will do my best to make the magnetic measurement career move to a higher level!

In the ASTM and IEC standards for the measurement of the magnetic properties of soft and permanent magnetic materials, there are some important problems. To study these problems, we use different methods and instruments produced by different manufacturers to test the materials, and the results obtained are different. What we want to do is to unify the real properties of the materials and develop some new measuring instruments and measuring methods, it is our life's work to do pioneering experimental research on the unknown or application of materials.

Researcher Qu Qingchang said that if we want to make good equipment, we must first be satisfied with the tested data!

Engineer Zhu Yonghong said that magnetic law is the physical basis for magnetic measurement to be carried out correctly and effectively. Only by understanding and flexibly using magnetic law to improve the level of magnetic measurement instruments can we find the essential regularity of materials.

Many problems will be found in the continuous testing work. How to solve these problems requires a good mentor to lead the team. After years of guidance from Professor Chen Duxing, the company's development direction is to produce measuring equipment that conforms to the magnetic law and has good test repeatability, as well as to develop and design practical special magnetic fields!

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