GLVAC
GLVAC (Kunshan Guoli Electronic Technology) is a Chinese specialty manufacturer of vacuum electronic components — including capacitors, contactors, magnetrons, klystrons, and thyratrons — supplying semiconductor equipment makers (AMEC, NAURA), battery and EV customers (CATL, SEVB), and scientific and aerospace programs.
- Company typePublic
- Founded2013
- HeadquartersKunshan, China
- Headcount501–1,000
- GTM typeB2B
- OfferingHardware or Manufacturing
What GLVAC does
GLVAC (Kunshan Guoli Electronic Technology Co., Ltd.) is a Chinese specialty manufacturer of vacuum electronic components serving semiconductor equipment, new energy vehicles, scientific research, energy infrastructure, security and inspection, and aerospace customers. The company's portfolio spans vacuum capacitors, high-voltage relays rated up to 70 kVDC, hydrogen thyratrons capable of 10 GW switching, CW and pulsed magnetrons, high-efficiency klystrons (62% efficiency at 800 kW reported), DC and AC contactors, vacuum interrupters, and power distribution units (PDU, BDU, CDU) targeted at eVTOL and EV powertrain applications. Underlying technology is built on proprietary ceramic vacuum sealing and longitudinal magnetic field designs, developed over 60 years of accumulated know-how and institutionalized through the GuoLi Industrial Technology Research Institute in collaboration with the Chinese Academy of Sciences.
The company operates as a publicly listed Chinese entity, monetizing primarily through direct sales of components and subsystems to OEM customers including AMEC and NAURA in semiconductor equipment, CATL and SEVB in batteries and EVs, and scientific institutions such as those associated with CSNS and CEPC. Go-to-market combines anchor long-cycle supply agreements with selective international channel partnerships, most recently a 2024 arrangement with Sterling Tools Ltd. for India. Revenue mechanics are anchored by long qualification cycles in semiconductor and automotive applications, with diversification underway into eVTOL and accelerator-driven scientific infrastructure markets.
GLVAC firmographics
Firmographics- Name
- GLVAC
- Legal name
- Kunshan Guoli Electronic Technology Co., Ltd.
- Website
- https://glvac.com
- Company type
- Public
- Founded year
- 2013
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- GLVAC (Kunshan Guoli Electronic Technology) is a Chinese specialty manufacturer of vacuum electronic components — including capacitors, contactors, magnetrons, klystrons, and thyratrons — supplying semiconductor equipment makers (AMEC, NAURA), battery and EV customers (CATL, SEVB), and scientific and aerospace programs.
- Ownership category
- akta.pro rank
GLVAC industry classification
Industry- Product category
- Vacuum Electronic Components
- NAICS
- Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing (334416), Switchgear and Switchboard Apparatus Manufacturing (335313), Relay and Industrial Control Manufacturing (335314), Electrical Equipment Manufacturing (33531)
- SIC
- Electronic Components, Nec (3679), Electronic Coils, Transformers & Other Inductors (3677), Electronic Components & Accessories (3670), Switchgear & Switchboard Apparatus (3613)
- akta.pro primary industry
- Passive Components (Resistors, Capacitors, Inductors, Ferrites) (IMAGAJAA)
- akta.pro secondary industries
- Low-Voltage Switchboards & Panelboards (LV distribution panels, MCCs, switchboards) (IMAGAEAA), Thyristors (SCRs/Triacs/Diacs) (HDAHAHAF)
Keywords
Where GLVAC is headquartered
LocationHeadquarters
- HQ city
- Kunshan
- HQ country
- China
- HQ region
- Asia
Offices2 records
Markets served
GLVAC business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Vacuum Electronic Component Sales: GLVAC generates revenue through the manufacture and sale of vacuum electronic components including vacuum capacitors, high voltage relays, hydrogen thyratrons, magnetrons, klystrons, power distribution equipment, AC contactors, and vacuum interrupters. The company sells directly to enterprise customers in semiconductor, new energy, scientific research, security, energy, and aerospace sectors.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels5 records
GLVAC product offering
Product offeringCore offering
GLVAC manufactures and sells vacuum electronic components for high-frequency, high-voltage, and high-power applications. Its portfolio spans vacuum capacitors, high-voltage relays, hydrogen thyratrons, magnetrons, klystrons, power distribution units, DC contactors, AC contactors, and vacuum interrupters. These components serve semiconductor equipment, new energy vehicles, scientific research, security inspection, energy infrastructure, and aerospace customers.
Product overview
GLVAC is a global expert in vacuum electronics applications, offering a comprehensive portfolio of high-frequency, high-voltage, and high-power electronic components. The product portfolio centers on vacuum electronic devices including Vacuum Capacitors (fixed, variable, trimmer, and motorized types), High Voltage Relays (vacuum relay, reed relay, gas-filled relay, SPST, SPDT, DPDT, latching types), Hydrogen Thyratrons, Magnetrons (CW and pulse types), Klystrons, Power Distribution & Protection systems (PDU, BDU, CDU, custom modules), DC Contactors, AC Contactors (R Series, CKJ11, CKJ5, CV/CHV, 7.2kV, 12kV series), and Vacuum Interrupters (for AC contactors, circuit breakers, isolating switches, and tap changers). These products serve demanding applications in semiconductor equipment, new energy vehicles, scientific research, security & inspection, electric power generation, and aerospace sectors. The company operates with over 60 years of experience in electric vacuum device manufacturing.
Differentiator
Problem solved
Functional benefit
Brands
- Guoli Yuantong: Sub-brand for new energy technology products including DC contactors for electric vehicles
Products and services
- Vacuum Capacitor Ceramic vacuum capacitors with over 60 years of manufacturing experience, providing high-precision, low-loss, and high-reliability solutions for semiconductor matching systems, photovoltaic heterojunction, induction heating, and communication broadcasting applications.
- High Voltage Relay Vacuum relays utilizing ceramic vacuum sealing technology to seal contacts from atmosphere, designed for applications where working voltage can be up to 70kVDC, used in short wave communication, communication satellites, radar, submarine cable, RF applications, and high voltage testing instruments.
- Hydrogen Thyratron High-power gas discharge devices serving as core pulsed switches with switching power reaching up to 10 GW, using hydrogen or deuterium as arc discharge dielectric with advantages of high working voltage, high pulse current, quick fire lighting, low trigger voltage, high efficiency, and long life.
- Magnetron Microwave devices utilizing cathode technology for high efficiency, long life, and strict quality control. Includes CW (continuous wave) magnetrons and pulse magnetrons for medical linear accelerators, irradiation accelerators, container safety inspection systems, industrial non-destructive testing, and microwave industrial heating.
- Klystron
- Power Distribution Unit (PDU) Complete PDU and BDU systems designed using contactor product experience, offering control, product electrical, magnetic, and mechanical simulation with full development support and integration solutions.
- DC Contactor High voltage DC contactors serving as DC high voltage and high current switches with advanced design, highly reliable sealed arc extinguishing technology, and unique packaging process for quick arc interruption. Used in new energy vehicles, charging stations, and eVTOL applications.
- AC Contactor Vacuum ceramic AC contactor solutions utilizing vacuum interrupter technology with arc extinguishing technology and modular design, suitable for high voltage, current, power, and frequency applications in harsh environments including flammable and explosive settings.
- Vacuum Interrupter Core component of high and medium voltage power switches that cuts off voltage arc through vacuum insulation and restrains current quickly. Includes variants for AC contactors, circuit breakers, isolating switches, and tap changers for power distribution and heavy industrial applications.
- P-band High-Power Metamaterial Klystron High-power klystrons for amplifying oscillating microwave frequency signals, converting electron beam kinetic energy into microwave energy through velocity and density modulation. Used in high energy physics, China Spallation Neutron Source, high energy industrial CT, and high power microwave applications. The 650 MHz continuous wave prototype achieves 62% microwave conversion efficiency at 800 kW power level.
Quantifiable outcome
- Switching power up to 10 GW for hydrogen thyratrons
- +2 more outcomes
Companies that use GLVAC
Customer profileNamed customers4 records
Segments6 records
Ideal customer profiles4 records
GLVAC technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
GLVAC partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core and strategic.
- AMEC (Advanced Micro-Fabrication Equipment Inc. China)coreGLVAC has maintained a 10-year strategic partnership with AMEC, a leading semiconductor equipment manufacturer in China. GLVAC supplies vacuum electronic components for AMEC's semiconductor manufacturing equipment, and received the 10-Year Strategic Partner Award at AMEC's Global Supplier Conference in Shanghai.
- China Spallation Neutron Source (CSNS)coreGLVAC collaborated with the accelerator RF team of China Spallation Neutron Source (CSNS) to successfully develop the world's first P-band high-power metamaterial klystron. This represents a major breakthrough in China's independent R&D of P-band continuous wave klystrons.
- University of Electronic Science and Technology of ChinacoreGLVAC collaborated 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 for the development of the world's first P-band high-power metamaterial klystron.
- NAURA Technology Group Co., Ltd.coreNAURA is a leading enterprise of integrated circuit high-end technological equipment in China. GLVAC collaborates with NAURA to provide semiconductor equipment components. NAURA awarded GLVAC the 2025 Annual Innovation Partnership Award recognizing excellence in technological collaboration.
- Sterling Tools Ltd.strategicGuoli Yuantong (a GLVAC subsidiary) signed a cooperation agreement with Sterling Tools Ltd., an Indian listed company. The partnership aims to expand GLVAC's presence in the Indian market for new energy and electric vehicle components.
- Institute of High Energy Physics, Chinese Academy of SciencescoreEstablished the GuoLi Industrial Technology Research Institute of Vacuum High-power Devices in collaboration with the Institute of High Energy Physics of CAS and Kunshan government. The institute focuses on high-power and high-efficiency klystron development for scientific research facilities including large circular electron-positron colliders.
Scale indicators4 records
Recent moves7 records
Expansion highlights5 records
GLVAC competitors and assessment
Company assessmentBroad incumbents
- Siemens: Siemens manufactures vacuum interrupters, switchgear, and industrial control products for energy and industrial markets — overlapping with GLVAC's contactor, relay, and power-distribution business within a broader diversified portfolio.
- ABB: ABB offers vacuum interrupters, medium-voltage switchgear, and broader power distribution equipment — overlapping with GLVAC's contactor, interrupter, and PDU portfolio but as part of a much larger electrical-equipment portfolio.
- TE Connectivity: TE Connectivity manufactures relays, contactors, and high-voltage switching components for industrial, automotive, and energy applications — broadly comparable to GLVAC's relay and contactor business.
Direct peers
- Eaton: Eaton produces vacuum interrupters, vacuum contactors, and DC contactors for EVs and industrial applications, making it a directly comparable peer across GLVAC's switching and protection product lines.
- Thales Group: Thales designs and manufactures high-power klystrons, traveling-wave tubes, and microwave vacuum electronic devices for radar, scientific, and accelerator applications — comparable to GLVAC's klystron and scientific-research business.
- Meidensha Corporation: Meidensha manufactures vacuum interrupters, vacuum circuit breakers, and power distribution equipment — a directly comparable peer in GLVAC's power T&D and energy-electrical vertical.
- Toshiba Electronic Devices & Storage: Toshiba is a major global manufacturer of vacuum interrupters, vacuum circuit breakers, and power-semiconductor switching devices — directly comparable to GLVAC's vacuum interrupter and contactor business.
- Sensata Technologies: Sensata is a leading manufacturer of DC contactors and battery management components for electric vehicles and energy storage — directly comparable to GLVAC's Guoli Yuantong subsidiary product line.
- Communications & Power Industries (CPI): CPI manufactures klystrons, magnetrons, thyratrons, and other vacuum electronic devices for scientific, medical, defense, and industrial markets — the closest global analog to GLVAC's vacuum-electronics portfolio.
- Richardson Electronics: Richardson Electronics manufactures and distributes vacuum tubes, klystrons, magnetrons, and other electron devices — directly comparable to GLVAC's core vacuum capacitor, thyratron, and tube product lines.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
GLVAC social profiles
Digital presenceGLVAC financial estimates
Financial estimateRevenue estimate
Valuation estimate
GLVAC leadership team
Management profileNumber of profiles
Profiles1 record
GLVAC subsidiaries and ownership
Company hierarchySubsidiaries2 records
GLVAC funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
GLVAC M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about GLVAC
What does GLVAC do?
GLVAC manufactures and sells vacuum electronic components for high-frequency, high-voltage, and high-power applications. Its portfolio spans vacuum capacitors, high-voltage relays, hydrogen thyratrons, magnetrons, klystrons, power distribution units, DC contactors, AC contactors, and vacuum interrupters. These components serve semiconductor equipment, new energy vehicles, scientific research, security inspection, energy infrastructure, and aerospace customers.
Is GLVAC a public or private company?
GLVAC is a public company. It is classified as public and is currently operating.
When was GLVAC founded?
GLVAC was founded in 2013. It employs 501 to 1,000 people.
Where is GLVAC based?
GLVAC is headquartered in Kunshan, China, in the Asia region.
How does GLVAC make money?
One revenue line is on record: vacuum Electronic Component Sales.
Who are GLVAC's main competitors?
Broad incumbents on record are Siemens, ABB and TE Connectivity. Direct peers are Eaton, Thales Group, Meidensha Corporation, Toshiba Electronic Devices & Storage, Sensata Technologies, Communications & Power Industries (CPI) and Richardson Electronics.
Does GLVAC have an API?
No public API is recorded for GLVAC.
What industry is GLVAC in?
GLVAC's product category is Vacuum Electronic Components. Its primary akta.pro industry code is IMAGAJAA, Passive Components (Resistors, Capacitors, Inductors, Ferrites), with a secondary code of IMAGAEAA, Low-Voltage Switchboards & Panelboards (LV distribution panels, MCCs, switchboards). Its NAICS code is 334416 and its SIC code is 3679.