In the electrical world, a switch seems simple—just two actions: making and breaking a circuit.

When you step into a hospital's radiotherapy room, a medical linear accelerator is delivering a "precision strike" against cancer.

Products such as vacuum relays and DC contactors have long stepped out of factory workshops and become closely connected to our daily lives.

From high-temperature smelting to precision manufacturing, high-power magnetrons serve as the "energy engines" for industrial scenarios.

A hydrogen thyratron is a high-power gas discharge device that serves as a core, high-performance pulsed switch with a switching power reaching up to 10 GW.

In applications involving high voltage and high current, there is an unassuming yet crucial electronic component—the vacuum relay.

On March 28, the Global Supplier Conference of AMEC (Advanced Micro-Fabrication Equipment Inc. China) was grandly held in Shanghai.

Recently, the team of Li Yongming, Wang Shaozhe, and Zou Jianjun from Kunshan GLVAC Industrial Technology Research Institute of High Power Devices

Invitation to SEMICON CHINA 2026

Recently, representatives from Beijing Huacheng Electronics Co., Ltd. — a subsidiary of NAURA — visited GLVAC Beijing office in person to present the company with the "2025 Annual Innovation Partnership Award."

Nuclear fusion is fundamentally a reaction in which light atomic nuclei combine under extreme temperatures and pressures to form heavier nuclei, releasing vast amounts of energy.

In the evolution of microwave technology, the magnetron has played a pivotal role. Among its various types, the continuous wave (CW) magnetron stands out as a crucial component due to its ability to deliver stable, continuous microwave energy over extended periods.

As a core device capable of efficiently generating microwave energy, the magnetron has continuously shattered boundaries in energy applications since its inception.

Diamond, the hardest material in nature, is rapidly expanding into high-end fields such as semiconductor thermal management, power electronics, quantum technologies, and optical devices.

​In the power equipment system, the vacuum Interrupter, as the core component of the vacuum switch, plays an important role in connecting, carrying, and breaking current.

​GLVAC ceramic vacuum capacitors have been widely used in modern high-end manufacturing equipment due to their unique performance advantages.

Currently, the low-altitude economy is experiencing vigorous development, and low-altitude passenger transport is undoubtedly one of its most valuable applications.

On June 7, 2025, led by the accelerator RF team of the China Spallation Neutron Source (CSNS), GLVAC in collaboration with the research group of Professor Zhaoyun Duan from the School of Electronic Science and Engineering at University of Electronic Science and Technology of China

On April 10, 2025, the 13th Energy Storage International Conference And Expo(ESIE2025) grandly kicked off at the Capital International Exhibition Center of China. This exhibition has attracted top energy storage companies from home and abroad to participate, exploring the role of core technologies and system integration in promoting industrial upgr

​On November 12th, the highly influential event in the global electronics industry, electronica 2024, grandly opened at the Munich Exhibition Center. GLVAC showcased its star exhibits such as semiconductors, new energy, energy storage, and scientific devices at this exhibition.

On November 6, 2024, Guoli Yuantong New Energy Technology Co., Ltd. (hereinafter referred to as "Guoli Yuantong") and Sterling Tools Ltd. (hereinafter referred to as "Sterling") held a signing ceremony in Kunshan, Jiangsu Province.

On December 9, 2023, Kunshan Guoli Yuantong New Energy Technology Co., Ltd. (referred to as "Guoli Yuantong")

On October 27, the 2023 "Chinese Heart" Annual Powertrain Components Evaluation, co-organized by Auto Sports magazine and the School of Automotive Engineering at Shanghai Jiao Tong University, with support from the Government of Gaoyou City, Jiangsu Province, came to a successful conclusion.

At the moment when the New Year's bells are about to ring, on the last day of 2021, Guoli Yuantong received the most precious New Year’s gift

On February 27 and March 7, the first prototype of the 650 MHz klystron for the Circular Electron and Positron Collider (CEPC)

On July 12, 2018, Mr. Jinrong Zhao, President and CEO of NAURA Technology Group Co., Ltd., came to visit our company, Mr. Jianping Yin, President of Kunshan GuoLi Electronic Technology Co., Ltd., received and accompanied NAURA team, and both parties had a business negotiation.