{"url_path":"/sec/cik-0001734262/10-k/2026/item-16c","section_key":"item-16c","section_title":"Item 16C ****PRINCIPAL ACCOUNTANT FEES AND SERVICES**","topic":"sec","document":{"doc_type":"20-F","doc_date":"2026-04-27","source_url":"https://www.sec.gov/Archives/edgar/data/1734262/0001104659-26-048866-index.html","accession_number":"0001104659-26-048866","cik":"0001734262","ticker":null,"issuer_name":"CooTek(Cayman)Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1734262/0001104659-26-048866-index.html","primary_entity_key":"0001734262","primary_entity_name":"CooTek(Cayman)Inc."},"word_count":213,"has_tables":true,"body_markdown":"**ITEM 16C.****PRINCIPAL ACCOUNTANT FEES AND SERVICES**\n\nThe following table sets forth the aggregate fees by categories specified below that are billed or made payable in connection with certain professional services rendered by Shandong Haoxin Certified Public Accountants Co., Ltd., or Shandong Haoxin, our principal external auditors, directly to us during the periods indicated.\n\n​\n\n​\n\n​\n\n​\n\n​\n\n​\n\n**  ​ ​ ​**\n\n**For the Year Ended**\n\n​\n\n​\n\n**December 31, **\n\n​\n\n**  ​ ​ ​**\n\n**2024**\n\n**  ​ ​ ​**\n\n**2025**\n\n​\n\n​\n\n**(in US$ thousands)**\n\nAudit fees (1)\n\n \n\n137\n\n \n\n134\n\n*Notes:*\n\n(1)“Audit fees” means the aggregate fees billed for professional services rendered by our independent registered public accounting firm for the audit of our annual financial statements. We paid or accrued audit fees of US$0.1 million related to Deloitte in 2023. We paid or accrued audit fees of US$0.1 million and US$0.1 million related to Shandong Haoxin in 2024 and 2025, respectively.\n\nThe policy of our board of directors is to pre-approve all audit and other service provided by our independent registered public accounting firms, including audit services, audit-related services, tax services and other services as described above, other than those for de minimis services which are approved by the board of directors of the Company prior to the completion of the audit.\n\n​"}