v3.26.1
SHORT-TERM BANK LOANS - Schedule of loans (Details)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2024
CNY (¥)
SHORT-TERM BANK LOANS        
Short-term bank loans $ 10,431,850 ¥ 72,950,000 $ 16,166,000 ¥ 118,000,000
Bank loan with effective interest rate 2.80% with expiration date August 7, 2026        
SHORT-TERM BANK LOANS        
Short-term bank loans $ 1,430,000 ¥ 10,000,000    
Annual interest rate 2.80% 2.80%    
Bank loan with effective interest rate 3.50% with expiration date February 25, 2026        
SHORT-TERM BANK LOANS        
Short-term bank loans $ 715,000 ¥ 5,000,000    
Annual interest rate 3.50% 3.50%    
Bank loan with effective interest rate 3.00% with expiration date June 14, 2026        
SHORT-TERM BANK LOANS        
Short-term bank loans $ 1,144,000 ¥ 8,000,000    
Annual interest rate 3.00% 3.00%    
Bank loan with effective interest rate 3.00% with expiration date March 24, 2026        
SHORT-TERM BANK LOANS        
Short-term bank loans $ 715,000 ¥ 5,000,000    
Annual interest rate 3.00% 3.00%    
Bank loan with effective interest rate 2.70% with expiration date September 29, 2026        
SHORT-TERM BANK LOANS        
Short-term bank loans $ 715,000 ¥ 5,000,000    
Annual interest rate 2.70% 2.70%    
Bank loan with effective interest rate 3.00% with expiration date December 22, 2026        
SHORT-TERM BANK LOANS        
Short-term bank loans $ 715,000 ¥ 5,000,000    
Annual interest rate 3.00% 3.00%    
Bank loan with effective interest rate 3.60% with expiration date February 5, 2026        
SHORT-TERM BANK LOANS        
Short-term bank loans $ 707,850 ¥ 4,950,000    
Annual interest rate 3.60% 3.60%    
Bank loan with effective interest rate 3.01% with expiration date March 13, 2026        
SHORT-TERM BANK LOANS        
Short-term bank loans $ 1,430,000 ¥ 10,000,000    
Annual interest rate 3.01% 3.01%    
Bank loan with effective interest rate 3.50% with expiration date March 24, 2026        
SHORT-TERM BANK LOANS        
Short-term bank loans $ 858,000 ¥ 6,000,000    
Annual interest rate 3.50% 3.50%    
Bank loan with effective interest rate 3.50% with expiration date May 14, 2026        
SHORT-TERM BANK LOANS        
Short-term bank loans $ 572,000 ¥ 4,000,000    
Annual interest rate 3.50% 3.50%    
Bank loan with effective interest rate 2.80% with expiration date May 20, 2026        
SHORT-TERM BANK LOANS        
Short-term bank loans $ 1,430,000 ¥ 10,000,000    
Annual interest rate 2.80% 2.80%    
Short Term Debt 3.95 Percent Due 14th May 2025 [Member]        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 548,000 ¥ 4,000,000
Annual interest rate     3.95% 3.95%
Bank loan with effective interest rate 3.00% with expiration date January 11, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 685,000 ¥ 5,000,000
Annual interest rate     3.00% 3.00%
Bank loan with effective interest rate 2.55% with expiration date March 13, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 685,000 ¥ 5,000,000
Annual interest rate     2.55% 2.55%
Short Term Debt 3.36 Percent Due 20th June 2025, One [Member]        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 959,000 ¥ 7,000,000
Annual interest rate     3.36% 3.36%
Bank loan with effective interest rate 3.00% with expiration date March 26, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 1,370,000 ¥ 10,000,000
Annual interest rate     3.00% 3.00%
Bank loan with effective interest rate 2.55% with expiration date October 28, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 685,000 ¥ 5,000,000
Annual interest rate     2.55% 2.55%
Bank loan with effective interest rate 2.55% with expiration date November 5, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 685,000 ¥ 5,000,000
Annual interest rate     2.55% 2.55%
Bank loan with effective interest rate 2.55% with expiration date May 5, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 685,000 ¥ 5,000,000
Annual interest rate     2.55% 2.55%
Bank loan with effective interest rate 3.30% with expiration date December 3, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 685,000 ¥ 5,000,000
Annual interest rate     3.30% 3.30%
Bank loan with effective interest rate 3.10% with expiration date December 5, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 1,370,000 ¥ 10,000,000
Annual interest rate     3.10% 3.10%
Bank loan with effective interest rate 3.00% with expiration date December 25, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 1,370,000 ¥ 10,000,000
Annual interest rate     3.00% 3.00%
Bank loan with effective interest rate 3.00% with expiration date June 26, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 1,370,000 ¥ 10,000,000
Annual interest rate     3.00% 3.00%
Bank loan with effective interest rate 4.15% with expiration date March 27, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 822,000 ¥ 6,000,000
Annual interest rate     4.15% 4.15%
Bank loan with effective interest rate 3.40% with expiration date May 6, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 685,000 ¥ 5,000,000
Annual interest rate     3.40% 3.40%
Bank loan with effective interest rate 3.40% with expiration date May 11, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 685,000 ¥ 5,000,000
Annual interest rate     3.40% 3.40%
Bank loan with effective interest rate 4.10% with expiration date April 25, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 411,000 ¥ 3,000,000
Annual interest rate     4.10% 4.10%
Bank loan with effective interest rate 4.05% with expiration date August 19, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 274,000 ¥ 2,000,000
Annual interest rate     4.05% 4.05%
Bank loan with effective interest rate 3.85% with expiration date November 19, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 411,000 ¥ 3,000,000
Annual interest rate     3.85% 3.85%
Bank loan with effective interest rate 3.36% with expiration date June 20, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 411,000 ¥ 3,000,000
Annual interest rate     3.36% 3.36%
Bank loan with effective interest rate 3.90% with expiration date January 29, 2025        
SHORT-TERM BANK LOANS        
Short-term bank loans     $ 1,370,000 ¥ 10,000,000
Annual interest rate     3.90% 3.90%