About Us


Focus on high-end electrolytic copper foil, Enable industrial evolution.

Company Development History

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2025

◎We have received the Annual Technology Innovation Award from CATL.

◎We were awarded the Annual Excellent Partner and Outstanding Quality Awards by EVE

◎The new plant of 20,000-ton electrolytic copper foil at Shengen base commenced production in December 16 2025

◎We completed the sample production of high-end electronic circuit copper foil in the RTF3 series in November 2025.

◎We completed the production of Porous Copper Foil samples in H2 2025

◎We obtained the L7 certification for the digital development level of manufacturing enterprises in Jiangxi Province in August 2025

◎We completed the production of samples for the novel multi-metal anode current collector material for solid-state batteries in H2 2025.

◎We are honored by the Ministry of Industry and Information Technology (MIIT) as a national-level key "SRDI Small Giant" enterprise.

◎We were awarded the LGES Product Delivery Award in July 2025

◎We were recognized as a 2025 Innovation Enterprise in New Energy Materials (Current Collector Category) by GGII in July 2025.

◎We were recognized as an advanced-level intelligent factory by the Jiangxi Provincial Department of Industry and Information Technology in May 2025.

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2024

◎We were honored with the "2024 Outstanding Quality Award" by EVE in Dec 2024.

◎We were was recognized as a “green factory” by Jiangxi Provincial Department of Industry and Information Technology in December 2024.

◎we have actively participated in drafting the national industry standard ”Electrolytic Copper Foil for Lithium Batteries” issued by the Ministry of Industry and Information

◎Technology of the PRC,As members of the drafting committee, we have developed the industry standard for Electrolytic Copper Foil for Lithium‑Ion Batteries.

◎We were recognized as a national "Specialized, Refined, Distinctive, and Innovative (SRDI) 'Little Giant'" enterprise by the Jiangxi Provincial Department of Industry and Information Technology in July 2024

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2023

◎We received EVE Energy's 2023 Outstanding Collaboration Award in December 2023

◎We received 2023 Golden Ball Award from GGII.

◎We were recognized as a provincial enterprise technology center by the Jiangxi Provincial Department of Industry and Information Technology in December 2023.

◎We were recognized by the Jiangxi Provincial Department of Science and Technology as a potential unicorn enterprise in Jiangxi Province in December 2023

◎We were recognized by the Jiangxi Provincial Development and Reform Commission in Dec 2023 as the Jiangxi Provincial Ultra-Thin Electronic Copper Foil Engineering Research Center.

◎We have established Sichuan Tongbo as our production base in Sichuan Province.

◎We completed the development and sample production of the ultra-thin 3.5-4μm lithium battery copper foil in Q2.

◎We were listed on the 2023 Hurun Global Future Unicorn List.

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2022

◎We were honored with the 2022 Excellent Quality Award by EVE Energy in Dec 2022.

◎We were awarded the '2022 Outstanding Partner' award by Sunwoda.

◎We restructured into a joint-stock company in December.

◎We completed the development and sample production of the high‑tensile, high‑elongation copper foil with a thickness of 5–6 µm in Q4 2022.

◎We were recognized as a benchmark enterprise for intelligent manufacturing of Jiangxi Province.

◎We have introduced investors such as BYD and Yibin Chendao (a fund invested by CATL).

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2021

◎We were honored with the Gold Collaborative Award for 2021 from EVE Energy.

◎Shengen plant of 30000-ton Electrolytic Copper Foil commenced production in Aug 2021.

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2020

◎We were recognized as an excellent supplier for Yiwei Lithium Energy in December 2020.

◎Our wholly-owned subsidiary, Shengen plant, has officially been established.

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2019

◎We obtained the national high-tech enterprise status in December 2019.

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2018

◎We launched Tongbo plant of 20,000-ton electrolytic copper foil project in April 2018.

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2016

◎Tongbo Technology was incorporated in August 2016.

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