a limit of New Taiwan Dollar 3,000,000 (approximately USD 93,000) if the bank with which an individual/a company holds its eligible deposit fails. As of September 30, 2023, an aggregated cash balance of USD 1,708,564 was maintained at financial institutions in Taiwan, of which USD 1,369,394 was subject to credit risk. The European Banking Authority pays compensation up to a limit of EUR 100,000 (approximately USD 105,000) if the bank with which an individual/a company holds its eligible deposit fails. As of September 30, 2023, cash balance of EUR 106,855 (USD 112,597) was maintained at financial institutions in Europe, of which EUR 6,855 (USD 7,223) was subject to credit risk. as of September 30, 2023, cash balance of US 423 was maintained at financial institutions in Kingdom of Cambodia, of which USD 423 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 September 30, 2023, three customers accounted for 14.5%, 14.3% and 13.9% of the Company’s total revenues, respectively. For the three months ended September 30, 2022, two customers accounted for 23.8% and 19.2% of the Company’s total revenues, respectively. No other customer accounted for more than 10% of the Company’s revenue for the three months ended September 30, 2023 and 2022.
For the nine months ended September 30, 2023, two customers accounted for 17.4% and 16.6% of the Company’s total revenues, respectively. For the nine months ended September 30, 2022, two customers accounted for 22.1% and 21.1% of the Company’s total revenues, respectively. No other customer accounted for more than 10% of the Company’s revenue for the nine months ended September 30, 2023 and 2022.
As of September 30, 2023, four customers accounted for 19.3%, 15.0%, 13.3% and 12.7% of the total balance of accounts receivable, respectively. As of December 31, 2022, two customers accounted for 36.7% and 13.6% of the total balance of accounts receivable, respectively. No other customer accounted for more than 10% of the Company’s accounts receivable as of September 30, 2023 and December 31, 2022.
Vendor concentration risk
For the three months ended September 30, 2023, Tangshan Huida Ceramic Group Co., Ltd (“Huida”) accounted for 55.8% of the Company’s total purchases of the Company’s total purchases. For the three months ended September 30, 2022, Huida accounted for 49.9% of the Company’s total purchases. No other supplier accounted for more than 10% of the Company’s total purchases for the three months ended September 30, 2023 and 2022.
For the nine months ended September 30, 2023, Huida accounted for 54.5% of the Company’s total purchases, and another vendor accounted 10.1% of the Company’s total purchases. For the nine months ended September 30, 2022, Huida accounted for 51.4% of the Company’s total purchases. No other supplier accounted for more than 10% of the Company’s total purchases for the nine months ended September 30, 2023 and 2022.
As of September 30, 2023, Huida accounted for 78.3% and another vendor accounted 13.0% of the total balance of accounts payable. As of December 31, 2022, Huida accounted for 85.5% of the total balance of accounts payable. No other supplier accounted for more than 10% of the Company’s accounts payable as of September 30, 2023 and December 31, 2022.
Note 14 — Commitments and contingencies
Litigation
From time to time, the Company is involved in legal and regulatory proceedings that are incidental to the operation of its businesses. These proceedings may seek remedies relating to matters including environmental, tax, intellectual