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Unlocking Opportunities Across Borders

Hermes Key specializes in connecting trusted Chinese manufacturers with global markets, and helping overseas companies discover strategic opportunities in China. With a personal approach since 2007, we build long-term partnerships through reliable, end-to-end support.

Explore Our Solutions

About Hermes Key

Since 2007, Hermes Key has served as a strategic bridge between Chinese industrial manufacturers and international clients. Our mission is simple: to unlock global business opportunities through trusted, transparent, and personalized collaboration.

We specialize in the energy sector — particularly in power generation, transmission & distribution, and test facility automation. By working directly with major manufacturers in China, we ensure quality control, efficient procurement, seamless manufacturing oversight, and reliable shipping logistics.

Our key strength lies in our personal approach. Every client receives tailored support designed to foster long-term relationships built on trust, reliability, and mutual growth.

About Hermes Key

Our Solutions

We provide comprehensive solutions across three core sectors, enabling seamless integration of Chinese manufacturing excellence into global projects.

Power Generation

Power Generation

From diesel generators to large-scale power plants, we connect clients with manufacturers offering reliable, high-efficiency generation systems compliant with international standards.

Transmission & Distribution

Power Transmission & Distribution

High-voltage disconnectors, switchgear, transformers, and complete substation solutions — sourced from certified Chinese manufacturers with proven global installations.

Test & Automation

Test Facility & Automation

Advanced testing systems and automation solutions for electrical equipment, ensuring safety, compliance, and performance validation across power infrastructure.

Our Products

We represent a wide range of industrial-grade products from trusted Chinese manufacturers, carefully selected for quality, durability, and global compliance.

Diesel Generator

Diesel Generators

High-efficiency diesel-powered generators ranging from 10kVA to 2500kVA, suitable for backup and prime power applications.

  • Compliant with ISO 8528 standards
  • Soundproof enclosures available
  • Custom control panels
Gas Generators

Gas Generators

Natural gas and biogas generators for clean, sustainable power generation in industrial and municipal applications.

  • Low emissions technology
  • High fuel efficiency
  • Remote monitoring compatible
HV/MV Disconnectors

HV/MV Outdoor Disconnectors (GW Series)

High-voltage disconnectors for outdoor substations, designed for durability in harsh environments.

  • Voltage range: 12kV – 126kV
  • Rated current up to 2000A
  • Anti-corrosion coating
Ring Main Units

Ring Main Units (RMUs)

Compact, gas-insulated switchgear for medium-voltage distribution networks.

  • SF6 or clean air insulation
  • Up to 24kV, 630A
  • Modular design for easy expansion
Isolators & Earthing Switches

Isolators & Earthing Switches

Manual and motorized isolators with integrated earthing for safe maintenance operations.

  • Rated up to 145kV
  • IP55 protection
  • Customizable drive mechanisms
Distribution Transformers

Distribution Transformers

Oil-immersed and dry-type transformers for utility and industrial use.

  • Range: 50kVA – 2500kVA
  • Low noise and losses
  • DGA monitoring options
High Voltage Test Systems

High Voltage Test Systems

Complete AC/DC/Impulse test setups for transformers, cables, and switchgear.

  • Up to 1000kV AC, 1500kV DC
  • Automated control & data logging
  • IEC 60060 compliant
Substation Automation

Substation Automation Systems

SCADA, protection relays, and communication systems for smart grid integration.

  • IEC 61850 compliant
  • Remote HMI access
  • Interoperable with major brands
17+
Years of Experience
50+
Global Clients
200+
Projects Delivered
15+
Manufacturing Partners

Frequently Asked Questions

What regions does Hermes Key serve?

We support clients across Asia, Africa, the Middle East, South America, and Europe. Our logistics network ensures timely delivery and compliance with local regulations.

Do you provide after-sales support?

Yes. We coordinate with manufacturers to provide technical documentation, spare parts supply, and on-site support when required.

Can you customize products to meet specific standards?

Absolutely. We work with manufacturers who can adapt designs to meet IEEE, IEC, ANSI, or country-specific requirements.

How do you ensure product quality?

We conduct factory audits, witness testing, and implement third-party inspections (e.g., SGS, BV) upon client request.

What is your typical lead time?

Lead times vary by product, but generally range from 8 to 16 weeks. We provide detailed production schedules and shipping updates.

Get in Touch

Ready to explore opportunities with trusted Chinese manufacturers? Contact us today for a personalized consultation.

Contact Information

Company: Hermes Key International Trading (Shanghai) Co., Ltd.

Tel: +86-21-66273207

Contact Person: Nicole Yang

Email: [email protected]

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