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.






What Are Silicon Steel Mother Coils? Silicon steel mother coils — also referred to as electrical steel master coils or grain-oriented/non-grain-orient...
View MoreWhat Are Silicon Steel Mother Coils? Silicon steel mother coils, also referred to as electrical steel master coils or silicon steel coils in their ful...
View MoreWhat Are Silicon Steel Mother Coils? Silicon steel mother coils — also referred to as electrical steel coils or transformer steel coils — are large-fo...
View MoreWhat Are Silicon Steel Mother Coils and Why Are They Important? Silicon steel mother coils are large-format rolls of electrical steel — an iron-silico...
View MoreWhat Is an Oil-Immersed Transformer Core and Why Is It Important? The oil-immersed transformer core is one of the most critical components in electric...
View More