QSE Technologies

What QSE Technologies does

QSE Technologies, operating under the Chinese name 火狐官方网站_火狐(中国)股份有限公司 (Jiangsu Jiangdong Power Grid Hardware Co., Ltd.), is a Chinese manufacturer of specialized equipment for ultra-high voltage (UHV) power transmission infrastructure. Founded in 1995 as Rudong County Zhongtian Communication Materials Factory and renamed to its current form in April 2009, the company produces four core product lines: power hardware fittings (heat-resistant, line, substation, and pre-twisted hardware), composite insulators rated 35kV to ±1100kV DC, surge arresters spanning 3kV to 500kV, and photovoltaic mounting systems. Its products have been deployed on China's most critical UHV transmission projects, including the Xiangjiaba-Shanghai ±800kV DC, Huainan-Shanghai 1000kV AC, and Changji-Gujian ±1100kV DC lines, with cumulative installed distance exceeding 600,000 km. The firm is a wholly-owned subsidiary of Shanghai-listed Jiangsu Zhongtian Technology Co., Ltd. (stock code 600522). Note: Public firmographic data describes a separate US-based wrapper (Englewood, 11–50 employees, founded 2001) that does not match the operating entity documented across the bulk of source material; this analysis treats the Chinese subsidiary as the subject of record.

The company operates a 146,000 m² manufacturing campus with 118,000 m² of standard factory buildings in Rudong County, Nantong, Jiangsu Province, employing approximately 1,000 staff including 150 dedicated R&D and engineering personnel. Technical capabilities are anchored by a CNAS-certified quality testing center equipped with electron microscopy, spectral analysis, low-temperature impact testing, and high-voltage testing halls, supported by R&D partnerships with the Chinese Academy of Sciences Institute of Process Engineering, the China Electric Power Research Institute (CEPRI), Tsinghua University, and Shanghai Cable Research Institute. The firm holds multiple national-level designations including High-Tech Enterprise, Manufacturing Single Champion, National 5G Factory, National Green Factory, and Jiangsu Province Advanced Intelligent Factory (2025), with products certified to ISO 9001, ISO 14001, ISO 45001, and to Zhongdianlian (China Electricity Council) standards for ±1100kV DC and 1000kV AC applications.

Revenue is generated through a sales-led model centered on competitive bidding for State Grid Corporation of China and other major utility projects, supplemented by direct sales to solar installation contractors for the PV mounting product line. There is no publicly disclosed unit pricing; individual project pricing is negotiated per-contract. End customers are concentrated in China's power grid sector—primarily State Grid Corporation of China and regional grid operators—with secondary exposure to utility-scale and distributed solar developers and EPC contractors. The firm publishes annual ESG and social responsibility reports and has integrated composite insulators into State Grid's Electric Power Equipment Smart IoT Platform (EIP) since 2020. Registered capital stands at CNY 551,409,100.

Name

QSE Technologies

Legal name

火狐官方网站_火狐(中国)股份有限公司

Website

https://qsetech.com

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

11–50 employees

Short description

QSE Technologies (Jiangdong) manufactures UHV power transmission hardware, composite insulators, surge arresters, and photovoltaic mounting systems in China as a wholly-owned subsidiary of Jiangsu Zhongtian Technology (600522.SH), supplying State Grid and other major utility operators.

Ownership category

akta.pro rank

Product category

Power Transmission Equipment

NAICS

Switchgear and Switchboard Apparatus Manufacturing (335313)

SIC

Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Transmission & Distribution Line Equipment (Bushings, Insulators, Arresters, Conductors, Hardware) (IMAGAAAF)

akta.pro secondary industry

Industrial Power Cable (MV/HV) (IMADAMAB)

Keywords

• Power transmission hardware
• Composite insulators
• Lightning arresters
• Photovoltaic mounting systems
• Ultra-high voltage equipment

Headquarters

HQ city

Englewood

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Power Transmission Hardware Products: Manufacture and sale of specialized hardware fittings for power transmission including high-temperature resistant hardware, line hardware, substation hardware, and pre-twisted hardware for UHV lines. Revenue is generated through direct project bidding with major power grid operators and contractors.
2. Composite Insulators: Production and sale of high-voltage composite insulators (ranging from 35kV to ±1100kV DC), positioned as a replacement for traditional ceramic and glass insulators in new construction and upgrade projects. Sold directly to grid construction projects.
3. Lightning Arresters: Manufacturing and sale of surge protection devices for electrical power infrastructure across voltage ranges from 3kV to 500kV, covering generation, transmission, distribution, and load terminal equipment.
4. Photovoltaic Mounting Systems: Newly added business segment covering rooftop and ground-mount solar PV mounting solutions, sold to solar installation contractors and project developers.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

QSE Technologies manufactures specialized power transmission equipment across four product lines: (1) power hardware fittings (heat-resistant, line, substation, and pre-twisted hardware); (2) composite insulators rated 35kV to ±1100kV DC used as replacements for ceramic and glass insulators; (3) surge arresters from 3kV to 500kV for generation, transmission, distribution and load terminal protection; and (4) photovoltaic mounting systems including rooftop, ground-mount, and tracking configurations. The company supplies these products primarily through competitive bidding on State Grid UHV power transmission projects and to PV solar developers in China.

Product overview

QSE Technologies is a high-tech enterprise specializing in power transmission equipment manufacturing, producing four main product lines: 金具系列产品 (power hardware/insulator hardware), 复合火狐官方网站系列产品 (composite insulators), 避雷器系列产品 (surge arresters), and 光伏支架系列产品 (solar mounting systems). These products serve China's ultra-high voltage (UHV) power grid construction, with accumulated operating distance exceeding 600,000 km. The company operates as a wholly-owned subsidiary of Jiangsu Zhongtian Technology Co., Ltd. (stock code 600522) and provides specialized equipment for power transmission lines, substations, and solar energy installations.

Differentiator

Problem solved

Functional benefit

Products and services

• Power Hardware Fittings Series Specialized power hardware fittings and communication equipment including heat-resistant hardware for capacity-increasing conductors, line hardware, substation hardware, and pre-twisted hardware products (forged damping clamps, quick-install maintenance-free wedge clamps, high-strength aluminum alloy hardware, anti-icing rings, and overhead transmission line anti-dancing devices) for UHV transmission line construction.
• Composite Insulators Series High-tech composite insulators (rod suspension, needle-type, cross-arm, lightning protection pillar, anti-wind-deviation, and electrified railway catenary insulators) serving as replacement products for ceramic and glass insulators in power construction and safe operation of transmission lines. Composite insulators have been integrated with the State Grid Electric Power Equipment IoT Platform (EIP) since 2020.
• Surge Arrester Series Overvoltage protection equipment for power generation, transmission, and distribution processes, including 110–500kV station-type composite housing arresters, 110–275kV export-type composite housing arresters, 35kV composite housing arresters, and 35–500kV station-type porcelain housing arresters, protecting equipment from atmospheric or internal overvoltage damage.
• Photovoltaic Mounting Systems Series Solar mounting systems including rooftop variants (concrete roof, color steel tile, glass tile roof), ground-mount systems (spiral pile foundation, concrete foundation), agricultural-solar and fishery-solar complementary systems, and tracking variants (single-axis, dual-axis, flat single-axis, tilted single-axis) for solar PV installations.
• Outdoor AC High-Voltage Drop-Out Fuse Outdoor AC high-voltage drop-out fuse product for power distribution and substation applications, complementing the surge arrester product line.

Quantifiable outcome

• Over 600,000 km of transmission lines equipped with Jiangdong products
• +3 more outcomes

Named customers1 record

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Four partnerships are on record, tiered core.

• 中国科学院过程工程研究所 (Chinese Academy of Sciences Institute of Process Engineering)coreStrategic or Co-development PartnerLong-term R&D collaboration on specialized hardware fittings for extreme conditions, including low-temperature resistant hardware and high-end industry applications.
• 中国电力科学研究院 (China Electric Power Research Institute, CEPRI)coreStrategic or Co-development PartnerCollaborative R&D partnership targeting high-end hardware fitting applications including anti-vibration hardware, large-span and heavy-ice engineering solutions.
• 清华大学 (Tsinghua University)coreStrategic or Co-development PartnerAcademic research partnership for development of advanced power transmission equipment and materials.
• 上海电缆研究所 (Shanghai Cable Research Institute)coreStrategic or Co-development PartnerTechnical collaboration on cable and power transmission hardware research and development.

Scale indicators9 records

Broad incumbents

• NARI Technology (NR Electric): Power system protection, automation, and smart-grid equipment supplier serving State Grid UHV projects; complementary hardware in substations where QSE's insulators and arresters are also installed.
• TBEA: Large, broad-line power equipment conglomerate and one of China's top UHV transformer suppliers; competes in adjacent UHV equipment categories and is a frequent co-bidder on State Grid projects.
• China XD Electric: State-owned power T&D equipment manufacturer producing transformers, switchgear, and insulators; a major UHV participant whose transmission-line hardware business overlaps with QSE Technologies.
• XJ Electric (Xidian): Major Chinese supplier of power T&D and protection/control equipment for UHV and smart-grid projects; broader portfolio than QSE but operates in the same State Grid procurement ecosystem.

Direct peers

• Pinggao Electric: State Grid-affiliated HV switchgear and insulator manufacturer serving the same UHV transmission bid universe as QSE Technologies, including DC and AC UHV-class equipment for grid buildout.
• Henan Pinggao Group: HV insulator and electrical equipment manufacturer; competes in the same composite insulator and HV hardware tender categories as QSE Technologies.
• Shandong Taikai Power Transmission: Chinese power transmission hardware and insulator producer serving State Grid and provincial grid customers, comparable in product categories (line hardware, composite insulators, arresters).
• Jiangsu Shemar Electric: Shanghai-listed manufacturer of composite insulators and surge arresters for UHV/DC transmission lines; competes head-to-head with QSE Technologies in the same composite-insulator and UHV-hardware tender pools.
• Sieyuan Electric: Leading Chinese UHV T&D equipment manufacturer producing GIS, transformers, and switchgear; participates in many of the same State Grid UHV project biddings as QSE Technologies.

Emerging players

• Arctech Solar: Global solar tracker and mounting manufacturer with strong China presence; direct competitor to QSE's newer PV mounting business in tracking and ground-mount systems.

Market position

Strengths5 records

Weaknesses5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/qse-technologies

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about QSE Technologies