Tianli Iron Core also supplies Unicore—also known as Jencore—manufactured to meet diverse transformer design needs. We offer customized cores based on client specifications, using CRGO materials ranging from 0.18mm to 0.30mm thickness, with varied core loss levels depending on performance requirements. Every Unicore is precisely processed, shaped, and annealed to ensure consistent quality and magnetic stability. We’re also able to provide design enhancement suggestions when requested, helping clients optimize both cost and performance. Whether for compact transformers or high-efficiency applications, our Unicore solutions are built for precision, flexibility, and value.

Taizhou Tianli Iron Core Manufacturing Co., Ltd. is China Unicore Iron Core Manufacturers and OEM/ODM Unicore Steel Core suppliers. Established in 2009, Tianli Iron Core is a leading full-solution provider of transformer core materials and assemblies. We specialize in slitted coils, core laminations, and precision-assembled magnetic cores for distribution and power transformers. With a strong technical foundation and materials sourced from top-tier mills like Shougang and Baosteel, we deliver reliable, high-performance solutions tailored to each client’s needs. Our experienced team ensures quality, flexibility, and responsive service across global markets. From material selection to final core assembly, Tianli is committed to powering your success—efficiently and dependably.
Your trusted partner in transformer core excellence.






Tianli Iron Core successfully participated in CWIEME Berlin 2026, presenting its 63MVA/110kV power transformer core and customized transformer core so...
View MoreTianli Iron Core successfully participated in CIDE 2026, held in São Paulo, Brazil, where we showcased our transformer core products and manufacturing...
View MoreTianli Iron Core is pleased to announce the successful installation, commissioning, and start-up of its new CTL1000-28S Fully Automatic Cut-to-Length ...
View MoreTianli Iron Core successfully participated in the 2026 IEEE PES T&D Conference & Exposition, held in Chicago, USA, from May 4–7, 2026.At Booth...
View MoreWe are proud to announce that Tianli Iron Core has been featured in the January 2026 edition of Transformer Magazine, one of the leading publications ...
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