v3.26.1
Risks and concentration (Tables)
 12 Months Ended
Dec. 31, 2025
Risks and Uncertainties [Abstract]  
Schedule of concentration of customers and suppliers
The following table summarizes customers with greater than 10.0% of the accounts receivable - third parties, net:
As of December 31,
 20242025
Customer A, a third party25.7 %23.3 %
Customer B, a third party54.1 %38.3 %
Customer C, a third partyLess than 10.0%18.4 %
The following table summarizes suppliers with greater than 10.0% of the total related parties and third parties’ accounts payable:
As of December 31,
20242025
Supplier A, a third party14.6 %10.9 %
Supplier B, a third party28.2 %Less than 10.0%
Supplier D, a third party13.1 %21.9 %
Suppliers accounting for more than 10.0% of total related parties and third parties’ purchases are as follows:
Year Ended December 31,
 202320242025
Supplier A, a third party20.2 %17.3 %10.5 %
Supplier B, a third party15.4 %21.8 %Less than 10.0%
Supplier C, a third party12.1 %Less than 10.0%Less than 10.0%
Supplier D, a third partyLess than 10.0%12.2 %28.9 %