v3.26.1
LONG-TERM LOAN - Sale and leaseback (Details) - USD ($)
1 Months Ended
Sep. 30, 2023
Dec. 31, 2025
Feb. 28, 2025
Jan. 31, 2025
Nanjing Changcheng        
LONG-TERM LOAN        
Sale and leaseback agreement, Agreed value $ 3,000,000      
Purchase price under sale and leaseback transaction $ 14.3 $ 14.3    
Remaining useful life of asset under sale and leaseback transaction (in years) 6 years      
Quarterly payment $ 300,000      
Sale and leaseback agreement, amount outstanding   700,000    
Baide Suzhou        
LONG-TERM LOAN        
Sale and leaseback agreement, Agreed value       $ 2,200,000
Purchase price under sale and leaseback transaction   14.3   $ 14,300,000
Sale leaseback transaction, monthly payments     $ 100,000  
Sale and leaseback agreement, amount outstanding   $ 1,200,000