TONGBO TECHNOLOGY HKEX IPO Application Lapsed, China’s 9th Largest Electrolytic Copper Foil Manufacturer

NewTimeSpace · 2026/07/28 10:10 · By Yiming Yan

NewTimeSpace News: The Hong Kong listing application of Jiangxi Tongbo Technology Co., Ltd., submitted on 28 January 2026, has lapsed upon the expiry of the six-month validity period. Guojin Securities (Hong Kong) acted as the original sole sponsor. Measured by 2024 shipment volume, the Company is China’s 9th largest electrolytic copper foil manufacturer with a 4.0% market share and the 2nd largest high-performance lithium battery copper foil producer with a 13.0% market share. BYD and investment fund of CATL, leading global battery manufacturers, are its strategic investors.

NewTimeSpace News: The listing application submitted by Jiangxi Tongbo Technology Co., Ltd. to the Hong Kong Stock Exchange on 28 January 2026 has lapsed upon the expiry of the six-month validity period. Guojin Securities (Hong Kong) served as the original sole sponsor.

The Company is a leading supplier of electrolytic copper foil solutions in China, focusing on the design, R&D, production and sales of high-performance electrolytic copper foil. According to Frost & Sullivan data, measured by 2024 shipment volume, the Company ranks as China’s 9th largest electrolytic copper foil manufacturer with around 4.0% market share, and the 2nd largest high-performance lithium battery copper foil producer with a 13.0% market share.

The lithium battery copper foil manufactured by the Company serves as a critical component for lithium batteries used in new energy vehicles, energy storage systems and consumer electronics. High-end electronic circuit copper foil is a core material for manufacturing PCBs and CCLs, widely applied in 5G/6G communications, AI servers, high-performance computing, commercial aerospace, automotive electronics, consumer electronics and other markets.

Strategic investments from BYD and the investment fund of CATL further consolidate the Company’s market position. The Company was recognised as a National Key Specialised, Refined, Unique and Innovative "Little Giant" Enterprise in 2025 and a Potential Unicorn Enterprise of Jiangxi Province in 2024. It also participated in drafting the national industrial standardElectrolytic Copper Foil for Lithium-ion Batteries.

NewTimeSpace Disclaimer: All content herein is the original work of NewTimeSpace. Any reproduction, reprinting, or use of this content in any other manner must clearly indicate the source as "NewTimeSpace". NewTimeSpace and its authorized third-party information providers strive to ensure the accuracy and reliability of the data, but do not guarantee the absolute correctness thereof. This content is for reference only and does not constitute any investment advice. All transaction risks shall be borne by the user.

Tags：

Tongbo Tech IPO IPO application lapsed