Concentrations of risks |
3 Months Ended |
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Mar. 31, 2026 | |
| Risks and Uncertainties [Abstract] | |
| Concentrations of risks | Concentrations of risks Credit risk Financial instruments that potentially subject the Company to significant concentrations of credit risk consist primarily of cash. The Federal Deposit Insurance Corporation pays compensation up to a limit of USD250,000 if the bank with which a depositor holds its eligible deposit fails. As of March 31, 2026, a cash balance of USD1,753,882 was maintained at financial institutions in the United States, of which USD1,248,867 was subject to credit risk. The Taiwan Central Deposit Insurance Corporation pays compensation up to a limit of TWD3,000,000 (approximately USD93,779) if the bank with which an individual/a company holds its eligible deposit fails. As of March 31, 2026, an aggregated cash balance of USD368,616 was maintained at financial institutions in Taiwan, of which USD114,612 was subject to credit risk. The China Deposit Insurance Corporation pays compensation up to a limit of CNY500,000(approximately USD72,318) if the bank with which a depositor holds its eligible deposit fails. As of March 31, 2026, a cash balance of CNY594,919(USD86,047)was maintained at financial institutions in China, of which CNY87,338 (USD12,632) was subject to credit risk. As of March 31, 2026, cash balance of USD186,204 was maintained at financial institutions in Kingdom of Cambodia, all of which was subject to credit risk. The European Banking Authority pays compensation up to a limit of EUR100,000 (approximately USD115,048) if the bank with which an individual/a company holds its eligible deposit fails. As of March 31, 2026, cash balance of EUR220,897 (USD254,138) was maintained at financial institutions in Europe, of which EUR99,338 (USD114,287) was subject to credit risk. While management believes that these financial institutions are of high credit quality, it also continually monitors their credit worthiness. The Company is also exposed to risk from its accounts receivable and other receivables. These assets are subjected to credit evaluations. An allowance has been made for estimated unrecoverable amounts which have been determined by reference to past default experience and the current economic environment. Customer concentration risk For the three months ended March 31, 2026, three customers accounted for 14.7%, 14.5% and 12.1% of the Company’s total revenue, respectively. For the three months ended March 31, 2025, three customers accounted for 17.7%, 14.4% and 10.8% of the Company’s total revenue, respectively. No other customer accounted for more than 10% of the Company’s revenue for the three months ended March 31, 2026 and 2025. As of March 31, 2026, three customers accounted for 26.0%, 13.5% and 10.3% of the total balance of accounts receivable, respectively. As of December 31, 2025, four customers accounted for 21.1%, 15.3%, 13.8% and 11.8% of the total balance of accounts receivable, respectively. No other customer accounted for more than 10% of the Company’s accounts receivable as of March 31, 2026 and December 31, 2025. Vendor concentration risk For the three months ended March 31, 2026, Tangshan Huida Ceramic Group Co., Ltd (“Huida”) accounted for 47.4% of the Company’s total purchases, respectively. For the three months ended March 31, 2025, Huida accounted for 61.6% of the Company’s total purchases, respectively. No other supplier accounted for more than 10% of the Company’s total purchases for the three months ended March 31, 2026 and 2025. As of March 31, 2026, Huida accounted for 79.5% of the total balance of accounts payable. As of December 31, 2025, Huida accounted for 83.3% of the total balance of accounts payable. No other supplier accounted for more than 10% of the Company’s accounts payable as of March 31, 2026 and December 31, 2025.
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