Ningbo Jintian Copper (Group) Co., Ltd.
Jintian was founded in 1986 and focus on copper processing industry for 40 years, which is a global leader in the manufacturing of copper alloys and advanced materials. Our main products include copper tube, rod, wire, plate, strip, busbar, electromagnetic wire, valve, magnetic materials and high-end alloys such as brass, bronze, copper and copper nickel We are committed to providing global first-class products and services for the development of new energy vehicles, wind power generation, photovoltaic energy, electric power, rail transit, consumer electronics and other industries.
Jintian has eight production bases, and more than 8,000 employees in the world. We have set up subsidiaries in USA, Germany, Japan, Korea, Thailand,Singapore,Hong Kong etc. Our business covers more than 100 countries and regions, and we are the long-term partner of many world famous enterprises.
In 2025, copper processing output reached 1.90+ million tons, the total revenue is reaching 150+ billion, and ranked 88 in Chinese top 500 manufacturing industries.
Product 1
Development technology/material/manufacturing process nameSegmented Magnet for EV Motors
Innovation HighlightsApplied in new energy vehicles, this magnet flexibly adapts to motor structures, improving magnetic circuit utilization and reducing eddy current losses and temperature rise. Compared to monolithic magnets, it has lower stress, better crack resistance, and higher reliability. It also reduces material waste and costs, enhancing motor efficiency and vehicle range, ideal for high-speed, high-power applications.
Development phase拼接磁钢目前处于批量优化开发阶段。已完成实验室验证与小批量试产，产品性能稳定，可匹配主流电驱需求。现阶段重点优化拼接工艺、降低损耗，提升量产良率，逐步扩大新能源电机、高效电机等领域的批量应用。
ApplicationsApplication Drive main motors, hairpin motors, electric drive systems, etc.
Photo of exhibits recommended
Product 1
Development technology/material/manufacturing process nameMagnet for EV MPV Main Drive Motors
Innovation HighlightsHigh-grade sintered NdFeB magnet with excellent remanence and coercivity, boosting motor power density and reducing motor size. Its superior high-temperature resistance ensures stable operation under high-speed conditions. It lowers energy consumption, increases vehicle endurance mileage, improves acceleration response, and meets the demand for high power, efficiency, and reliability in new energy vehicles.
Development phase高牌号烧结钕铁硼磁钢已实现成熟量产阶段。现有产品性能稳定，广泛配套新能源汽车电机。现阶段主要围绕更高耐温、更低失重、更低涡流损耗持续优化工艺，不断提升材料一致性与性价比，适配新一代高效电驱需求。
ApplicationsDrive motors, hairpin motors, etc.
Photo of exhibits recommended