TIANLI IRON CORE.TIANLI IRON CORE, established in 2009, is a globally leading manufacturer of transformer cores. The company specializes in producing cores for main transformers, oil-immersed transformers, dry-type transformers, and other variants, while also offering services including clamping components, insulation, silicon steel coil slitting, and core column processing. Leveraging substantial financial strength, a highly skilled professional team, and exceptional strategic foresight, the company has established a reputation for high-quality, efficient service within the industry, earning widespread trust from its customers. Since 2011, the company has maintained certifications for Quality Management System (GB/T19001), Environmental Management System (GB/T24001), and Occupational Health and Safety Management System (GB/T28001). Recognized as a “Nationally Trusted Quality Enterprise,” it is committed to becoming a reliable core solutions provider in the global market.