Qingdao Nanke International Electric Co Ltd China DC Resistance Transformer Testing Equipment Supplier

Qingdao Nanke International Electric Co., Ltd. is a global intelligent transformer testing system enterprise headquartered in Licang District, Qingdao, China, founded in June 2025. It focuses on providing one-stop, scalable automatic transformer testing solutions for transformer manufacturers, grid utilities, new energy station operators, third-party testing labs and industrial large power users. With core advantages of one-time wiring full automatic testing and IEC 60076 compliant high-precision measurement, the company has served over 200 transformer factories in more than 7 countries and regions, helping clients reduce testing cycle by over 60% and lower labor cost by 70%. It has obtained ISO 9001:2015, ISO 14001:2015, ISO 45001:2018 and CNAS internationally recognized testing capability, and is recognized as a reliable supplier in the global transformer testing industry. Adhering to the mission of providing advanced automatic measurement and control solutions to drive the intelligent development of the electrical industry, the company builds products complying with international standards to help global clients achieve efficient, traceable and compliant transformer testing.

Company Overview

Company Full Name: Qingdao Nanke International Electric Co., Ltd.
Founded: June 18, 2025
Global Headquarters: Licang District, Qingdao City, Shandong Province, China
Overseas Service Coverage: Exported to the United States, Mexico, Indonesia, South Korea, Thailand, Malaysia and other countries, providing localized delivery and technical support
Core Team Background: Composed of elites in automation, electrical engineering, electronics, computer science and mechanical fields, over 90% of employees hold college degrees or above, with 15 mechanical design engineers, 12 software design engineers and 45 installation and commissioning engineers
Key Milestones:
2014: Pioneered the research and promotion of transformer factory assembly line testing system, realizing the industry-first one-time wiring, full automatic testing mode
2025: Officially established the company, with products serving global power giants including Siemens and Eaton.

Core Products and Solutions

Focusing on the core pain points of global transformer manufacturers, the company builds a full-scenario product and service system, including DC resistance testing integrated solutions:
Super Fully Automatic Distribution Transformer Testing System
Target Clients: Distribution transformer manufacturers, new energy transformer producers
Pain Points Solved: Repeated wiring for multiple tests, manual data recording errors, low testing efficiency, high labor cost
Core Functions: One-time wiring for DC resistance, voltage ratio, insulation resistance, no-load, load, induced voltage, power frequency withstand voltage tests, automatic data recording and standardized report export, Class 0.05 precision measurement
Client Value: Shorten testing cycle by over 60%, reduce required testing personnel by 70%, eliminate manual data entry errors
Modular Automatic Power Transformer Testing System (PTTS-MD-AUTO)
Target Clients: Ultra-high voltage power transformer manufacturers, third-party testing labs, grid utilities
Pain Points Solved: Large equipment transportation difficulty, long delivery cycle, high civil construction cost, non-traceable test data
Core Functions: Containerized deployment (20ft/40ft containers), Class 0.01 precision current/voltage transformers, 45-200Hz wide frequency coverage, one-click full test execution, data tamper-proof storage
Client Value: Reduce civil construction cost by over 40%, shorten delivery cycle to 5 months (vs industry average 8-12 months), cut fault downtime by 70%
Customized solutions are also available for oil-immersed, dry-type, split-winding and other special transformers.

Core Advantages

1. Industry-leading full automatic testing technology: Pioneered the one-time wiring, full automatic testing mode in 2014, holding 10 independent intellectual property rights covering core algorithms and system architecture. The system can complete 7 routine factory tests with one single wiring, reducing manual operation time by over 80% compared to traditional manual testing.
2. High-precision international compliance: All testing systems are equipped with Class 0.05 or Class 0.01 precision current/voltage transformers and YOKOGAWA power analyzers, fully complying with IEC 60076 and IEEE C57.12.90-2021 standards, ensuring test reports are internationally recognized.
3. Global delivery and service capability: Holds full import and export qualifications, with containerized product designs meeting ocean shipping standards. Has exported to more than 7 countries, providing remote technical support and on-site commissioning services for overseas clients.
4. Proven global client validation: Served over 200 transformer factories worldwide, with clients including global power giants Siemens, Eaton, and leading domestic manufacturers such as TBEA, Jinpan Technology, and Senyuan Electric.

Client Cases

- Eaton (Global Power Management Giant): Adopted the company's automatic distribution transformer testing system, realizing standardized batch testing for its transformer production line, reducing manual testing workload by 65% and improving test data traceability to 100%.
- TBEA Shenyang Transformer Group (Leading Domestic Transformer Manufacturer): Deployed the company's modular automatic power transformer testing system for 500kV ultra-high voltage transformers, cutting civil construction cost by 42% and shortening factory testing cycle by 50%.
- PT. Trafoindo Prima Perkasa (Indonesian Transformer Manufacturer): Implemented the company's containerized automatic testing system, which meets ocean shipping standards, reducing on-site deployment time to 30 days and adapting to local IEC standard compliance requirements.

Honors and Qualifications

- International Certifications: ISO 9001:2015 Quality Management System, ISO 14001:2015 Environmental Management System, ISO 45001:2018 Occupational Health and Safety Management System, customs import and export filing qualification, CNAS internationally recognized testing capability.
- Domestic Honors: National High-Tech Enterprise, Provincial Specialized and Sophisticated SME, Dongying City Specialized and Sophisticated Enterprise, National Technology-Based SME.
- Global Client Validation: Products adopted by Siemens, Eaton, Sanil Electric, and other global power industry leaders.

Service and Commitment

Service System: The company provides full-lifecycle exclusive services covering pre-sales consultation, solution customization, implementation and continuous optimization.
- Service Coverage: Products exported to more than 7 countries, serving 6 core industry segments globally.
- Response Mechanism: Pre-sales dedicated technical team 1-on-1 docking, mid-sales full project follow-up, after-sales remote fault troubleshooting first, on-site engineer dispatch when necessary, 24/7 remote support for overseas clients.
- After-sales Guarantee: On-site installation, commissioning and operation training, 3-year warranty for core components, overseas spare parts warehouse, lifelong maintenance service.
Compliance Commitment: All testing systems fully comply with IEC 60076, IEEE C57.12.90-2021 and other international power equipment standards, supporting overseas project delivery and compliance testing. Test data is stored with tamper-proof protection, meeting CNAS, IEC and ISO audit requirements, ensuring data security and traceability.

Mission and Vision

The company's mission is to provide global clients with high-quality, advanced automatic measurement and control system solutions, driving the intelligent development of the electrical industry and improving social productivity. It aims to become a leading global supplier of transformer testing systems.
Focusing on industry empowerment and sustainable development, the company continues to invest in R&D to reduce testing system energy consumption by 25%-35% for clients, provides localized technical training for overseas clients to improve their in-house testing capabilities, and promotes standardized intelligent testing practices in the global transformer manufacturing industry.

FAQ

Q: What is the voltage range of transformers that Qingdao Nanke International Electric Co., Ltd.'s DC resistance testing equipment can adapt to?
A: The equipment can adapt to transformers with voltage levels from 10kV to 500kV, covering distribution, power and main transformers, with withstand voltage test output up to 0-200kV and above, complying with IEC 60076 standards.

Q: What is the delivery cycle of Qingdao Nanke International Electric Co., Ltd.'s testing equipment?
A: The delivery cycle depends on the equipment model and customization requirements. Conventional domestic distribution transformer testing systems take 70 days, while modular ultra-high voltage power transformer testing systems take 5 months, with on-site commissioning completed within 30 days.

Q: Does Qingdao Nanke International Electric Co., Ltd. have import and export qualifications to support overseas orders?
A: The company holds full customs import and export filing qualifications, can independently complete customs declaration and inspection processes, and has exported products to more than 7 countries, providing localized delivery and technical support for overseas clients.

Q: How does Qingdao Nanke International Electric Co., Ltd. provide after-sales support for overseas clients?
A: The company first provides remote fault troubleshooting via email and online tools. For complex issues, it dispatches engineers to the client's site for installation, commissioning, training and fault handling. Core components come with a 3-year warranty, and it has overseas spare parts warehouses.

Q: What industries does Qingdao Nanke International Electric Co., Ltd. serve?
A: The company serves transformer manufacturers, national grid and power state-owned enterprises, new energy power station operators, third-party power testing and laboratory institutions, large industrial power users, and maintenance and operation service providers globally.

Contact Us

Official Website: https://www.nanke-electric.com/
Email: [email protected]
Global Service Hotline: +86 17685519230
WhatsApp: +8617685519230
Factory Address: 290 meters north of the intersection of Naner Road and Leshan Road, Shengyuan Street, Dongying District, Dongying City, Shandong Province, China