Company Development History
2026
◎Ji'an Tongbo was incorporated in August 2026.(Ji'an Tongbo focuses on the R&D, production and sales of high‑end PCB copper foils for AI computing power and other applications.)
◎Sichuan Tongbo’s 20,000‑ton electrolytic copper foil production project officially commences production in August 2026,expanding the company’s designed capacity to over 90,000 tonnes.
◎ We have obtained approval for the establishment of a National Postdoctoral Research Station. This platform is dedicated to recruiting and cultivating high-level postdoctoral researchers to strengthen our R&D capabilities.
◎ The accreditation application for our R&D facilities submitted to the China National Accreditation Service for Conformity Assessment (CNAS) has entered the formal assessment stage.
◎ We have completed sample preparation of a new coated current collector for sodium-ion batteries.
◎ We have commenced supply of RTF and HVLP products to multiple AI PCB manufacturers.
◎ We have completed sample preparation of new corrosion-resistant copper foil.
◎The invention patent application titled "An HVLP Copper Foil and Preparation Method Thereof", which we submitted in March 2026, has been published and is currently entering the substantive examination phase.
◎We completed the sample production of high-end electronic circuit copper foil in the HVLP4 series in February 2026.
◎We completed the sample production of high-end electronic circuit copper foil in the HVLP3 series in January 2026.
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.
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 Department of Industry and Information Technology in July 2024
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.
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).
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.
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.
2019
◎We obtained the national high-tech enterprise status in December 2019.
2018
◎We launched Tongbo plant of 20,000-ton electrolytic copper foil project in April 2018.
2016
◎Tongbo Technology was incorporated in August 2016.