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Dynamic Center

Dual-Mentor System, Breaking Down Barriers Initiative

A small giant enterprise and the smart manufacturing talent revolution at a time-honored engineering institution

02

07

2025

Cutting-edge technology safeguards life and health! Tongyou Intelligent Manufacturing’s high-end medical equipment departs for Shanghai today.

This morning, at the Tongyou Intelligent Manufacturing production base, a specialized transport vehicle loaded with ready-to-use rubber pistons and smart interlocking devices sounded its horn and set off, marking the official delivery of the equipment project custom‑made by the company for a renowned medical enterprise in Shanghai. These high‑end products, the result of innovative ingenuity, are poised to inject “Tongyou strength” into the upgrading of medical device manufacturing across the Yangtze River Delta region.

02

07

2025

Good news! Tongyou Microelectronics has won the gold prize in the Northeast Sichuan Economic Zone finals of the Sichuan Youth Innovation and Entrepreneurship Competition.

On June 6, the Northeast Sichuan Economic Zone finals of the 2025 “Chuangqingchun” Sichuan Youth Innovation and Entrepreneurship Competition concluded successfully in Dazhou. Wang Fangzhou, a member of the Product Development Department at Tongyou Microelectronics (Sichuan) Co., Ltd., competed with his project “Sensing ‘Micro’—China’s Only Fully Self-Developed High-Precision Inductor Solution,” and after several rounds of intense competition, stood out among 40 high‑quality entries to ultimately claim the gold prize. This achievement underscores Tongyou Microelectronics’ groundbreaking advances in core technologies for high‑end electronic components.

07

06

2025

Good news! Tongyou Microelectronics’ “PIM Ultra-Miniature Inductor Integration Pioneer Project” has been awarded the Second Prize at the 5th Sichuan Province “Tianfu Cup” Entrepreneurship Competition!

Recently, the finals and closing ceremony of the 5th Sichuan “Tianfu Cup” Entrepreneurship Competition, jointly hosted by nine departments including the Sichuan Provincial Department of Human Resources and Social Security, the United Front Work Department of the Provincial Party Committee, and the Provincial Department of Education, were held in Chengdu.

27

05

2025

Youthful Energy, Smartly Shaping the Future! Duan Feiyang of Tongyou Microelectronics: Forging the Magnetic Field of Our Era with Innovative Chips.

With an Innovative Core, Forging the Magnetic Field of Our Era

12

05

2025

Good News | Zhang Jian of Tongyou Microelectronics has been awarded the title of “National Model Worker in the Industrial and Information Technology System”! Craftsmanship for excellence, and hard work to write a glorious chapter!

On April 27, the National Conference for Commending Advanced Collectives, Model Workers, and Outstanding Contributors in the Industrial and Information Technology Sector was held in Beijing. Among the awardees, Zhang Jian, an employee of the Materials Department at Tongyou Microelectronics (Sichuan) Co., Ltd., was honored with the title of “National Model Worker in the Industrial and Information Technology Sector.”

28

04

2025

Good news! Tongyou Microelectronics has been honored with two awards from Bazhong City: “Outstanding Private Enterprise” and “Outstanding Investment-Attracting Enterprise.”

Recently, the Bazhong City Conference on Opening-Up and Development was held with great solemnity. This conference is the largest and highest‑level specialized event on opening-up that Bazhong has convened in recent years.

14

04

2025

With an annual output value of RMB 1.05 billion, the Tongyou Intelligent Manufacturing R&D Headquarters project is accelerating construction and is expected to begin operations in January next year.

On February 18, at the High-End Equipment Headquarters Industrial Park in Kunshan High-Tech Zone, reporters observed that the intelligent manufacturing R&D headquarters project of Tongyou Intelligent Equipment (Jiangsu) Co., Ltd. was underway, with foundation piling already in progress. Workers were systematically advancing according to the schedule and implementing key construction milestones, with completion and commissioning expected by January 2026.

07

04

2025

The Party Branch of Tongyou Microelectronics (Sichuan) Co., Ltd. organized a themed Party Day activity titled “Remembering Revolutionary Martyrs and Inheriting the Red Spirit.”

The loyal bones rest in the green hills, while their noble spirit endures forever. To carry forward the red legacy and rally the strength to forge ahead, the Party branch of Tongyou Microelectronics (Sichuan) Co., Ltd. recently organized all Party members, prospective Party members, and department heads to visit the largest Red Army Martyrs’ Cemetery in China—the Sichuan–Shaanxi Revolutionary Base Area Red Army Martyrs’ Cemetery—where they held a themed Party Day activity titled “Remembering the Revolutionary Martyrs, Inheriting the Red Spirit.” Through an immersive tour, participants were guided to reflect on their original aspirations as they recalled those heroic years and to embrace their mission anew by revisiting the annals of revolutionary history.

31

03

2025

Reliability Testing of Inductance Values for Monolithic Inductors

Inductance is the ratio of the magnetic flux linked with a conductor to the current that produces that flux, when an alternating current flows through the conductor and generates an alternating magnetic field both within the conductor and in the surrounding space.

10

07

2024

Definition and Variation of the Saturation Current of Monolithic Inductors

The saturation current of a monolithic inductor is defined as the current at which the inductance L decreases by 30% from its initial value. This current corresponds to the DC bias applied to the inductor. The relationship between the saturation current and the Hs (magnetic field strength) of a monolithic inductor is such that, in the initial portion of the powder‑material magnetization curve, the permeability μ remains relatively constant, and the inductance L varies only slightly with changes in the applied magnetic field. In the latter portion of the curve, however, μ increases significantly, and L becomes highly sensitive to variations in the applied field. For a given powder‑material system, the saturation flux density Bs is essentially constant; since Bs ≈ μ·Hs, it follows that Hs must also remain constant. Consequently, the larger the Hs, the smaller the slope of the hysteresis loop—indicating a more gradual change in μ—and the higher the saturation level.

10

07

2024

Setting out once again toward a better life, Tongyou Group officially commences operations with great success!

Tongyou Group has a auspicious start—let’s all work together to forge an even brighter future! Tongyou Intelligent Equipment and Huacui’s integrated molded inductors are striving for even higher quality!

29

01

2024

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Dual-Mentor System, Breaking Down Barriers Initiative

2025-07-02

Dual-Mentor System, Breaking Down Barriers Initiative

A small giant enterprise and the smart manufacturing talent revolution at a time-honored engineering institution

Learn more >>

Cutting-edge technology safeguards life and health! Tongyou Intelligent Manufacturing’s high-end medical equipment departs for Shanghai today.

2025-07-02

Cutting-edge technology safeguards life and health! Tongyou Intelligent Manufacturing’s high-end medical equipment departs for Shanghai today.

This morning, at the Tongyou Intelligent Manufacturing production base, a specialized transport vehicle loaded with ready-to-use rubber pistons and smart interlocking devices sounded its horn and set off, marking the official delivery of the equipment project custom‑made by the company for a renowned medical enterprise in Shanghai. These high‑end products, the result of innovative ingenuity, are poised to inject “Tongyou strength” into the upgrading of medical device manufacturing across the Yangtze River Delta region.

Learn more >>

Good news! Tongyou Microelectronics has won the gold prize in the Northeast Sichuan Economic Zone finals of the Sichuan Youth Innovation and Entrepreneurship Competition.

2025-06-07

Good news! Tongyou Microelectronics has won the gold prize in the Northeast Sichuan Economic Zone finals of the Sichuan Youth Innovation and Entrepreneurship Competition.

On June 6, the Northeast Sichuan Economic Zone finals of the 2025 “Chuangqingchun” Sichuan Youth Innovation and Entrepreneurship Competition concluded successfully in Dazhou. Wang Fangzhou, a member of the Product Development Department at Tongyou Microelectronics (Sichuan) Co., Ltd., competed with his project “Sensing ‘Micro’—China’s Only Fully Self-Developed High-Precision Inductor Solution,” and after several rounds of intense competition, stood out among 40 high‑quality entries to ultimately claim the gold prize. This achievement underscores Tongyou Microelectronics’ groundbreaking advances in core technologies for high‑end electronic components.

Learn more >>

Good news! Tongyou Microelectronics’ “PIM Ultra-Miniature Inductor Integration Pioneer Project” has been awarded the Second Prize at the 5th Sichuan Province “Tianfu Cup” Entrepreneurship Competition!

2025-05-27

Good news! Tongyou Microelectronics’ “PIM Ultra-Miniature Inductor Integration Pioneer Project” has been awarded the Second Prize at the 5th Sichuan Province “Tianfu Cup” Entrepreneurship Competition!

Recently, the finals and closing ceremony of the 5th Sichuan “Tianfu Cup” Entrepreneurship Competition, jointly hosted by nine departments including the Sichuan Provincial Department of Human Resources and Social Security, the United Front Work Department of the Provincial Party Committee, and the Provincial Department of Education, were held in Chengdu.

Learn more >>

Youthful Energy, Smartly Shaping the Future! Duan Feiyang of Tongyou Microelectronics: Forging the Magnetic Field of Our Era with Innovative Chips.

2025-05-12

Youthful Energy, Smartly Shaping the Future! Duan Feiyang of Tongyou Microelectronics: Forging the Magnetic Field of Our Era with Innovative Chips.

With an Innovative Core, Forging the Magnetic Field of Our Era

Learn more >>

Good News | Zhang Jian of Tongyou Microelectronics has been awarded the title of “National Model Worker in the Industrial and Information Technology System”! Craftsmanship for excellence, and hard work to write a glorious chapter!

2025-04-28

Good News | Zhang Jian of Tongyou Microelectronics has been awarded the title of “National Model Worker in the Industrial and Information Technology System”! Craftsmanship for excellence, and hard work to write a glorious chapter!

On April 27, the National Conference for Commending Advanced Collectives, Model Workers, and Outstanding Contributors in the Industrial and Information Technology Sector was held in Beijing. Among the awardees, Zhang Jian, an employee of the Materials Department at Tongyou Microelectronics (Sichuan) Co., Ltd., was honored with the title of “National Model Worker in the Industrial and Information Technology Sector.”

Learn more >>

Good news! Tongyou Microelectronics has been honored with two awards from Bazhong City: “Outstanding Private Enterprise” and “Outstanding Investment-Attracting Enterprise.”

2025-04-14

Good news! Tongyou Microelectronics has been honored with two awards from Bazhong City: “Outstanding Private Enterprise” and “Outstanding Investment-Attracting Enterprise.”

Recently, the Bazhong City Conference on Opening-Up and Development was held with great solemnity. This conference is the largest and highest‑level specialized event on opening-up that Bazhong has convened in recent years.

Learn more >>

2025-04-07

With an annual output value of RMB 1.05 billion, the Tongyou Intelligent Manufacturing R&D Headquarters project is accelerating construction and is expected to begin operations in January next year.

On February 18, at the High-End Equipment Headquarters Industrial Park in Kunshan High-Tech Zone, reporters observed that the intelligent manufacturing R&D headquarters project of Tongyou Intelligent Equipment (Jiangsu) Co., Ltd. was underway, with foundation piling already in progress. Workers were systematically advancing according to the schedule and implementing key construction milestones, with completion and commissioning expected by January 2026.

Learn more >>

The Party Branch of Tongyou Microelectronics (Sichuan) Co., Ltd. organized a themed Party Day activity titled “Remembering Revolutionary Martyrs and Inheriting the Red Spirit.”

2025-03-31

The Party Branch of Tongyou Microelectronics (Sichuan) Co., Ltd. organized a themed Party Day activity titled “Remembering Revolutionary Martyrs and Inheriting the Red Spirit.”

The loyal bones rest in the green hills, while their noble spirit endures forever. To carry forward the red legacy and rally the strength to forge ahead, the Party branch of Tongyou Microelectronics (Sichuan) Co., Ltd. recently organized all Party members, prospective Party members, and department heads to visit the largest Red Army Martyrs’ Cemetery in China—the Sichuan–Shaanxi Revolutionary Base Area Red Army Martyrs’ Cemetery—where they held a themed Party Day activity titled “Remembering the Revolutionary Martyrs, Inheriting the Red Spirit.” Through an immersive tour, participants were guided to reflect on their original aspirations as they recalled those heroic years and to embrace their mission anew by revisiting the annals of revolutionary history.

Learn more >>

2024-07-10

Reliability Testing of Inductance Values for Monolithic Inductors

Inductance is the ratio of the magnetic flux linked with a conductor to the current that produces that flux, when an alternating current flows through the conductor and generates an alternating magnetic field both within the conductor and in the surrounding space.

Learn more >>

2024-07-10

Definition and Variation of the Saturation Current of Monolithic Inductors

The saturation current of a monolithic inductor is defined as the current at which the inductance L decreases by 30% from its initial value. This current corresponds to the DC bias applied to the inductor. The relationship between the saturation current and the Hs (magnetic field strength) of a monolithic inductor is such that, in the initial portion of the powder‑material magnetization curve, the permeability μ remains relatively constant, and the inductance L varies only slightly with changes in the applied magnetic field. In the latter portion of the curve, however, μ increases significantly, and L becomes highly sensitive to variations in the applied field. For a given powder‑material system, the saturation flux density Bs is essentially constant; since Bs ≈ μ·Hs, it follows that Hs must also remain constant. Consequently, the larger the Hs, the smaller the slope of the hysteresis loop—indicating a more gradual change in μ—and the higher the saturation level.

Learn more >>

2024-01-29

Setting out once again toward a better life, Tongyou Group officially commences operations with great success!

Tongyou Group has a auspicious start—let’s all work together to forge an even brighter future! Tongyou Intelligent Equipment and Huacui’s integrated molded inductors are striving for even higher quality!

Learn more >>

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