Jiangxi Tongbo Technology Co., Ltd.

江西铜博科技股份有限公司

Produces electrolytic copper foil in China, mainly lithium battery copper foil for NEV and energy storage applications, plus electronic circuit copper foil (RTF, HVLP) for AI and high-performance computing. Ranked tenth-largest electrolytic copper foil producer globally by sales volume in 2025 with ~2.3% market share, per Frost & Sullivan.

Filings

The documents are on HKEXnews; we link to the originals.

Matters the filing discloses

From the company’s latest filing; open a kind of matter to see how other companies disclosed it.

• Leased property
• Social insurance & housing fund
• Customer concentration
• Supplier concentration
• Overlapping customers and suppliers
• Connected or related major customers / suppliers
• Raw material and commodity prices
• Key long-term agreements
• Capacity and utilisation
• Losses and path to profitability
• Decline in revenue or profit
• Negative operating cash flow
• Working capital: receivables, prepayments and cash cycle
• Inventory level and ageing
• Related-party transactions and balances