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Customization Service

While providing you with high-quality products, HY TRANSFORMER makes the following commitments in terms of after-sales service:

"Three Guarantees" shall be implemented for the sold products. During the warranty period, if there is any problem caused by the product manufacturing quality, the company shall be responsible for free maintenance, replacement and return. For problems caused by other reasons, the company actively assists the users to solve the problems, so as to ensure that the products are put into operation in time and minimize the accident loss rate.
The company will provide on-site technical services for the installation and commissioning of large equipment, and the deputy chief
engineer will lead the team to provide on-site services to solve various problems of users.
In case of leakage after product installation, the company shall be responsible for handling.
Establish product user fles, regularly implement quality tracking and continuous improvement.
Cooperate with users to do a good job in transformer feld operation and maintenance management.
Adhere to the principle of "quality frst, user frst", reply within 4 hours after receiving the user's notice, and arrive at the site in time according to the user's requirements.

One-Stop Service

At HY TRANSFORMER, we not only deliver high-quality, standard-compliant transformer products, but also provide a full-process, one-stop service covering pre-sales consultation, on-site technical guidance, after-sales guarantee, and lifelong operation maintenance. Adhering to the service tenet of "Quality First, User Supreme", we offer comprehensive, efficient and reliable technical support and after-sales protection for all domestic and overseas project customers.

Complete Three-Guarantee After-Sales Warranty

All sold transformers enjoy standardized three-guarantee service (warranty, replacement and return). Within the warranty period, any quality problems caused by manufacturing defects will be solved with free maintenance, replacement and product return. For failures caused by non-product factors, our professional team will actively assist users in troubleshooting and rectifying faults, ensuring timely equipment commissioning and minimizing project operation losses.

Premium On-Site Technical Service

For large-scale equipment installation and commissioning projects, we provide exclusive on-site technical support. Our technical team, led by the Deputy Chief Engineer, will be dispatched to the project site to guide installation, conduct commissioning tests, solve on-site technical difficulties, and ensure standardized, safe and compliant operation of all transformer equipment.

Professional Post-Installation Fault Handling

We take full responsibility for all equipment leakage and other abnormal problems occurring after product installation and commissioning. Our team provides targeted inspection, repair and solution optimization to eliminate hidden dangers and guarantee stable long-term operation of power distribution equipment.

Lifelong Quality Tracking & Continuous Optimization

We establish exclusive complete user product files for every customer and every delivered device. Regular quality follow-up tracking and data analysis are implemented throughout the equipment service cycle. Based on operational feedback, we continuously optimize product design and manufacturing technology to upgrade product performance and service quality.

Long-Term On-Site Operation & Maintenance Cooperation

We provide professional guidance and cooperative support for on-site operation, daily inspection and maintenance management of transformers. We assist users in formulating scientific equipment maintenance plans, standardizing operational procedures, and extending the service life of power transformation equipment.

Ultra-Fast Response Service Mechanism

We implement a high-efficiency after-sales response system. After receiving user feedback or service requests, our team willreply within 4 hours and arrange professional technicians to arrive at the site in strict accordance with user requirements and project emergency levels, realizing rapid fault resolution and uninterrupted power supply guarantee.

From customized product manufacturing, professional on-site commissioning, full warranty protection to lifelong after-sales tracking and maintenance support, HY TRANSFORMER realizes a truly integrated one-stop full lifecycle service. We fully meet the strict service requirements of municipal power grids, industrial and petrochemical projects, and overseas engineering projects, delivering stable, reassuring and high-value service for global customers.

Technical Support

HY TRANSFORMER provides full-cycle, professional technical support for all transformer products and engineering projects, covering pre-sales technical consultation, customized solution design, in-production technical supervision, on-site installation & commissioning guidance, and after-sales technical troubleshooting. Relying on a professional senior engineering team and rich power equipment manufacturing experience, we deliver accurate, efficient and reliable technical services for domestic and global customers.

Pre-Sales Professional Technical Consulting & Customized Design

Our professional engineering team provides one-on-one technical communication according to customers' project scenarios, voltage levels, load demands, environmental conditions and industry standards (GB, IEC, EU standards, etc.). We complete customized transformer parameter design, scheme optimization and technical verification, and provide detailed technical parameter sheets, design drawings, test reports and compliance certification documents to ensure the product scheme fully matches project construction requirements.

Whole-Production Process Technical Supervision

During product manufacturing, our technical staff strictly supervises every core process including iron core stacking, coil winding, insulation treatment, welding assembly and vacuum oil injection. We conduct repeated technical testing and parameter calibration for key performance such as loss value, insulation strength and short-circuit resistance, ensuring all products meet national and international technical standards with stable and consistent quality.

On-Site Installation & Commissioning Technical Guidance

For large-scale power transformation projects, our technical team led by senior engineers provides door-to-door on-site technical service. We guide equipment installation, wiring debugging, voltage testing and operational inspection on site, standardize construction procedures, solve all technical problems during project implementation, and ensure the transformer equipment is put into operation safely, efficiently and compliantly.

Real-Time Technical Troubleshooting & Fault Diagnosis

We support remote real-time technical response and on-site fault disposal. Facing equipment operation abnormalities such as oil leakage, temperature rise, abnormal noise and voltage instability, our technical team can quickly complete fault analysis, cause diagnosis and targeted solution formulation, eliminate potential equipment hazards in the shortest time, and guarantee continuous and stable operation of power supply systems.

Professional Operation Training & Technical Guidance

We provide free professional technical training for customer operation and maintenance personnel, including daily operation specifications, routine inspection key points, equipment maintenance skills, fault judgment and emergency disposal methods. Help customers master professional operation and maintenance capabilities, reduce equipment failure rate, and extend the service life of transformers.

Lifelong Technical Tracking & Technical Upgrade Service

We establish exclusive technical files for each delivered equipment, implement long-term technical follow-up and quality tracking. According to project operation feedback and the latest industry technical standards, we provide customers with technical optimization suggestions, equipment upgrade schemes and continuous technical support, to adapt to different power grid upgrading and industrial project iteration needs.

Technical Service Advantages

With a professional engineer team, strict technical standards and a complete service system, HY TRANSFORMER breaks through simple product supply and provides customers with integrated technical solutions from design, manufacturing, commissioning to lifelong technical support

Our professional technical services are widely applicable to municipal power grid projects, industrial park power distribution, petrochemical energy, new energy photovoltaic power generation and overseas engineering projects, providing solid technical guarantee for safe and stable power operation of global customers.

After-Sales Service

HY TRANSFORMER adheres to the service philosophy of Quality First, Customer Oriented and provides a standardized, efficient and comprehensive after-sales service system for all transformer products. We deliver full-life-cycle after-sales protection for domestic and overseas customers, covering warranty guarantee, on-site service, fault handling, regular follow-up and long-term maintenance cooperation, ensuring stable and safe operation of all power transformation equipment.

Standard Three-Guarantee Warranty Policy

All transformers manufactured by our factory enjoy strict three-guarantee service (warranty, replacement and return). Within the official warranty period, any quality failure caused by manufacturing defects will be solved by free maintenance, part replacement and product replacement. For abnormal problems caused by non-quality factors such as improper operation and harsh working conditions, our after-sales team will actively provide professional technical assistance and effective solutions to minimize project operation losses.

Professional On-Site Service Support

For large-scale power grid, industrial and overseas engineering projects, we provide exclusive on-site after-sales service. Our senior technical engineers and after-sales specialists will arrive at the project site to assist in equipment commissioning acceptance, operational inspection and problem solving, ensuring that the transformers can be officially put into operation on schedule.

Targeted Post-Installation Fault Handling

We are fully responsible for all equipment abnormalities occurring after installation and operation, especially common problems such as transformer oil leakage, sealing aging and operational instability. We provide one-stop inspection, repair, replacement and rectification services to eliminate hidden safety hazards and restore normal power supply in the shortest time.

Efficient Fast Response Mechanism

We implement a 24-hour online after-sales response system. All customer service requests and fault feedback will be responded within 4 hours. According to the actual situation of the project and emergency demand, we will arrange professional technicians to arrive at the site quickly to complete fault diagnosis and repair, realizing rapid response and efficient resolution.

Regular Quality Tracking & Continuous Improvement

We establish independent exclusive service files for each set of delivered equipment. Our team conducts regular operation follow-up, quality tracking and customer return visits throughout the equipment service cycle. We continuously optimize product manufacturing processes and service standards based on on-site operation data and customer feedback to improve product stability and service professionalism.

Long-Term Operation and Maintenance Cooperation Service

We support long-term operation and maintenance cooperation with customers. We provide professional guidance for daily patrol inspection, regular maintenance, parameter testing and safety management of transformers, helping customers standardize equipment management procedures, reduce failure rates and extend the overall service life of power transformation equipment.

Service Advantages

Different from single product sales, HY TRANSFORMER provides customers with complete after-sales protection from installation, operation, maintenance to lifelong follow-up.

With standardized service processes, fast response efficiency and professional technical capability, we fully meet the after-sales requirements of municipal power grids, petrochemical industry, new energy projects and overseas export projects, creating stable and reliable value for global customers.