Tianli Iron Core

more than 15 years of technical expertise

About us

Tianli Iron Core was founded in 2009, covering 12 acres with a registered capital of 100.09 million RMB. With a workforce of 240, including over 40 University Graduates, we specialize in producing transformer cores with an annual capacity of 60,000 tons.

Production Lines and Capabilities
Since 2010, Tianli Iron Core has steadily invested in state-of-the-art domestic equipment to ensure precision and efficiency. Our production lines include:

• 4 Slitting Lines from SDRI, such as SDRI high-speed ZJX and SL-04-01 models, handling coils up to 1250mm wide.
• 20 Cut-to-Length Lines: SDRI Models like HJX(22)-400L and HJX(D262)-800L ensure accurate lamination cutting.
• 2 Robotic Core Stackers from SDRI (DZX(05)-180/800), streamlining automation and boosting production speed.



Certifications and Industry Recognition

Tianli Iron Core is committed to high standards of quality, safety, and sustainability. Our certifications include:

• ISO 9001: Quality Management System
• ISO 14001: Environmental Management System
• OHSA 18001: Occupational Health and Safety Management
• ISO 50001: Energy Management System: Ensuring sustainable operations.

Our commitment to innovation earned us the “Specialized and Innovative Little Giant” title in 2018 and 2022, and the status of a National High-tech Enterprise in 2019. Recognized by the Jiangsu Smart Grid Industry Special Alliance, we play a pivotal role in advancing the smart grid sector.

group photo of staff and the main transformer core

Honors and Certificates

National-level Specialized, Innovative, Small Giant Enterprise

National-level Specialized, Innovative, Small Giant Enterprise

High-tech Enterprises

High-tech Enterprises

Jiangsu Green Factory

Jiangsu Green Factory

Science and Technology Innovation Award

Science and Technology Innovation Award

Municipal-level Specialized, Refined, New and Excellent Enterprise

Municipal-level Specialized, Refined, New and Excellent Enterprise

Vice Chairman Unit of Iron Core Branch of China Electrical Equipment Industry Association

Vice Chairman Unit of Iron Core Branch of China Electrical Equipment Industry Association

Industrial Billing Increase Award

Industrial Billing Increase Award

Top Ten Technical Transformation Projects

Top Ten Technical Transformation Projects

Excellent Supplier

Excellent Supplier

Excellence Award

Excellence Award

AAA Bank Credit Certificate

AAA Bank Credit Certificate

Business License Duplicate Copy

Business License Duplicate Copy

ISO9001 Quality Managment System Certification

ISO9001 Quality Managment System Certification

ISO14001 Environmental Management System Certification

ISO14001 Environmental Management System Certification

ISO45001 Occupational Health Safety Management Certification

ISO45001 Occupational Health Safety Management Certification

ISO50001 Energy Management System Certification

ISO50001 Energy Management System Certification

Jiangsu Boutique Certification

Jiangsu Boutique Certification

Taizhou City Credit Management Demonstration Enterprise

Taizhou City Credit Management Demonstration Enterprise