Deeply Rooted in Global Markets: A Full-Link Electrical Solutions Manufacturer

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Global Service & Support

Global Service & Support

Supported Throughout the Project Lifecycle — From Grid Compliance to Decades of Reliable Operation. 

Get Personalized Support

Our Comprehensive Services

Pre-Sales Support

Customized to National Grid Requirements and Project Specifications — Prior to Production

Grid Study & Load Analysis
Technical Solutions & Proposal
Factory Visit & Technical Meeting
Drawing Review & Custom Design
Compliance & Standards Consulting
Grid Study & Load Analysis
Technical Solutions & Proposal
Factory Visit & Technical Meeting
Drawing Review & Custom Design
Compliance & Standards Consulting

Production & Delivery Transparency

End-to-End Visibility and Schedule Adherence

Raw Material Inspection
Real-time Production Tracking
Factory Acceptance Test (FAT)
Secure Packaging & Logistic
On-time Delivery Guarantee
Raw Material Inspection
Real-time Production Tracking
Factory Acceptance Test (FAT)
Secure Packaging & Logistic
On-time Delivery Guarantee

After-Sales Service

Continuously Ensuring the Stable Operation of Global Power Projects

Installation & Commissioning Training
Warranty and Long-Term Reliability
Spare Parts Supply
24/7 Technical Support
Installation & Commissioning Training
Warranty and Long-Term Reliability
Spare Parts Supply
24/7 Technical Support

Value-Added Services for End Users

We deliver full lifecycle services for power equipment, encompassing O&M, engineering support, and digital asset management.

01

Equipment Inspection & Consulting

Health assessment + technical advisory

02

O&M Training

Operational maintenance + hands-on technical training

03

Spare Parts Supply

Standard parts + custom non-standard components + emergency spares

04

Preventive Maintenance

Scheduled inspections + preventive testing

05

Repair & Retrofitting

Equipment repair + system upgrades/modernization

06

On-Site Services

Installation supervision + commissioning + energization support

OEM Accompaniment Services

Dedicated manufacturer support throughout the project execution phase:

On-site installation supervision for new equipment
Commissioning and energization support
On-site troubleshooting and defect rectification
Post-commissioning on-site engineering support
Turnkey project outsourcing and execution
On-site installation supervision for new equipment
Commissioning and energization support
On-site troubleshooting and defect rectification
Post-commissioning on-site engineering support
Turnkey project outsourcing and execution

Equipment Coverage

Comprehensive service capabilities across all major power system assets:

HV/MV/LV switchgear assemblies
Oil-immersed and dry-type transformers
GIS/AIS substation equipment
Primary equipment: Circuit breakers, ring main units (RMUs), etc
Automation systems: Relay protection, PLC, DCS
HV/MV/LV switchgear assemblies
Oil-immersed and dry-type transformers
GIS/AIS substation equipment
Primary equipment: Circuit breakers, ring main units (RMUs), etc
Automation systems: Relay protection, PLC, DCS

Service Commitments

Guaranteed response standards backed by a nationwide service network:

Ticket response time: ≤ 2 hours
Engineer on-site arrival: ≤ 12 hours
Nationwide service network coverage
Project rejection rate: < 3%
Ticket response time: ≤ 2 hours
Engineer on-site arrival: ≤ 12 hours
Nationwide service network coverage
Project rejection rate: < 3%

Localized Services(Representatives)

Your Local Partner — Delivering Regionally Adapted Support with Rapid Response

TSTY-Certified Local Partners

All authorized representatives undergo rigorous technical training and annual recertification by TSTY to ensure:

Accurate handling of technical inquiries
Accurate handling of technical inquiries
Compliance with installation specifications
Compliance with installation specifications
Efficient processing of warranty claims
Efficient processing of warranty claims
Coordinated commissioning activities
Coordinated commissioning activities

Recent Project Support

Validated Performance in Operational Environments

🇹🇩 Chad – 20 MVA Utility-Scale Solar Power Plant

In commercial operation since September 2025

TSTY-supplied custom 66 kV power transformer for photovoltaic integration.

The TSTY-customized transformer has demonstrated stable and reliable operation since commissioning in September 2025, providing a robust foundation for the efficient performance of our 20 MVA solar facility. The end-to-end process—from design adaptation to delivery—was executed professionally and efficiently.

Project Engineer Renewable Energy Developer (Chad)
Project Engineer Renewable Energy Developer (Chad)

🇿🇲 Zambia – Copper Mine Expansion (Copperbelt Province)

In commercial operation since Q4 2024

TSTY-supplied SCB-10,000/33 dry-type transformer for dual-source mining power system (grid + gas generator).

The TSTY transformer has operated continuously with high energy efficiency, fully accommodating the dual-power supply configuration. It has proven to be a highly dependable power equipment for ensuring uninterrupted mine production.

Electrical Manager International Mining Group (Zambia)
Electrical Manager International Mining Group (Zambia)

🇷🇺 Russia – Regional Airport Power Supply

In commercial operation since August 2025

Two TSTY-customized cold-climate pad-mounted substations (40 kVA, 6/0.4 kV), installed on concrete foundations.

The equipment has performed reliably since August 2025, exhibiting excellent resistance to low temperatures and atmospheric corrosion. Fully compliant with EAC and GOST standards, it supports critical airport infrastructure with consistent availability.

Facility Director Infrastructure Authority (Russia)
Facility Director Infrastructure Authority (Russia)
TSTY's Mission

TSTY's Mission

Empowering the global energy transition through safe, efficient, and intelligent end-to-end power solutions — delivering stable, reliable, and cost-effective support for energy infrastructure projects worldwide.

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