v3.26.3
Unaudited Condensed Consolidated Balance Sheets (Parentheticals)
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2026
CNY (¥)
shares
Dec. 31, 2025
CNY (¥)
shares
Dec. 31, 2025
$ / shares
Cash and cash equivalents, consolidated VIEs $ 1,857,891 ¥ 12,605,976 ¥ 9,580,367  
Accounts receivable, net, consolidated VIEs 6,440,263 43,697,833 18,440,482  
Accounts receivable - a related party, consolidated VIEs 145,551 987,580 831,436  
Inventories, consolidated VIEs 834,243 5,660,426 8,280,145  
Other receivables, net, consolidated VIEs 707,684 4,801,705 63,517,961  
Advances to suppliers, consolidated VIEs 102,985 698,763 679,196  
Property and equipment, net, consolidated VIEs 129,732 880,241 1,246,568  
Other non-current assets, consolidated VIEs 220,783 1,498,032 1,344,232  
Accounts payable (including amounts of the consolidated VIEs of RMB44,813,902 and RMB35,117,924 (US$5,175,742) as of December 31, 2025 and June 30, 2026, respectively) 5,175,742 35,117,924 44,813,902  
Short-term bank loans 7,516,470 51,000,000 53,000,000  
Long-term bank loans, current, consolidated VIEs 226,968 1,540,000 3,700,000  
Long-term loans, current (including amounts of the consolidated VIEs of RMB10,000,000 and RMB10,000,000 (US$1,473,818) as of December 31, 2025 and June 30, 2026, respectively) 1,473,818 10,000,000 10,000,000  
Salary and welfare payable, consolidated VIEs 2,329,340 15,804,807 14,477,975  
Advance from customers, consolidated VIEs 137,355 931,969 1,591,131  
Value added tax (“VAT”) and other tax payable, consolidated VIEs 78,539 532,892 658,983  
Other payables, consolidated VIEs 1,755,982 11,914,510 11,817,379  
Accrued liabilities, consolidated VIEs 2,683,437 18,207,391 14,580,658  
Amount due to related parties 7,311,332 49,608,117 45,966,864  
Operating lease liabilities, current, consolidated VIEs 277,586 1,883,447 1,545,002  
Long-term bank loans, noncurrent, consolidated VIEs 1,843,746 12,510,000 11,000,000  
Operating lease liabilities, noncurrent, consolidated VIEs 118,510 804,099 1,294,510  
Related Party        
Amount due from related parties, consolidated VIEs 779,411 5,288,382 3,637,039  
Loans from related parties, current, consolidated VIEs 1,851,092 12,559,847 15,198,309  
Third Parties        
Long-term loans from third parties, noncurrent (including amounts of the consolidated VIEs of RMB2,000,582 and RMB2,000,582 (US$294,849) as of December 31, 2025 and June 30, 2026, respectively) 294,849 2,000,582 2,000,582  
VIEs        
Cash and cash equivalents, consolidated VIEs 879,282 5,966,014 8,445,208  
Accounts receivable, net, consolidated VIEs 6,440,263 43,697,833 18,440,482  
Inventories, consolidated VIEs 834,243 5,660,426 8,280,145  
Other receivables, net, consolidated VIEs 704,312 4,778,822 5,824,886  
Advances to suppliers, consolidated VIEs 102,985 698,763 679,196  
Property and equipment, net, consolidated VIEs 129,732 880,241 1,246,568  
Other non-current assets, consolidated VIEs 220,783 1,498,032 1,344,232  
Accounts payable (including amounts of the consolidated VIEs of RMB44,813,902 and RMB35,117,924 (US$5,175,742) as of December 31, 2025 and June 30, 2026, respectively) 5,175,742 35,117,924 44,813,902  
Short-term bank loans 7,516,470 51,000,000 53,000,000  
Long-term bank loans, current, consolidated VIEs 226,968 1,540,000 3,700,000  
Long-term loans, current (including amounts of the consolidated VIEs of RMB10,000,000 and RMB10,000,000 (US$1,473,818) as of December 31, 2025 and June 30, 2026, respectively) 1,473,818 10,000,000 10,000,000  
Salary and welfare payable, consolidated VIEs 2,305,351 15,642,035 14,477,975  
Advance from customers, consolidated VIEs 137,355 931,969 1,591,131  
Value added tax (“VAT”) and other tax payable, consolidated VIEs 76,622 519,887 658,492  
Other payables, consolidated VIEs 1,755,952 11,914,310 11,817,179  
Accrued liabilities, consolidated VIEs 2,633,438 17,868,137 14,231,003  
Loans from related parties, current, consolidated VIEs 1,848,734 12,543,847 15,198,309  
Operating lease liabilities, current, consolidated VIEs 262,684 1,782,337 1,545,002  
Long-term bank loans, noncurrent, consolidated VIEs 1,843,746 12,510,000 11,000,000  
Operating lease liabilities, noncurrent, consolidated VIEs 105,751 717,528 1,294,510  
VIEs | Related Party        
Accounts receivable - a related party, consolidated VIEs 145,551 987,580 831,436  
Amount due from related parties, consolidated VIEs 779,411 5,288,382 3,637,039  
Accounts payable (including amounts of the consolidated VIEs of RMB44,813,902 and RMB35,117,924 (US$5,175,742) as of December 31, 2025 and June 30, 2026, respectively) 3,034 20,588 7,296  
Amount due to related parties 34,274,382 232,555,106 92,331,116  
Long-term loans from third parties, noncurrent (including amounts of the consolidated VIEs of RMB2,000,582 and RMB2,000,582 (US$294,849) as of December 31, 2025 and June 30, 2026, respectively) 52,473,929 356,040,859 356,390,859  
VIEs | Third Parties        
Short-term bank loans 241,218 1,636,691 610,637  
Long-term loans, current (including amounts of the consolidated VIEs of RMB10,000,000 and RMB10,000,000 (US$1,473,818) as of December 31, 2025 and June 30, 2026, respectively) 22,107 150,000 200,000  
Long-term loans from third parties, noncurrent (including amounts of the consolidated VIEs of RMB2,000,582 and RMB2,000,582 (US$294,849) as of December 31, 2025 and June 30, 2026, respectively) $ 294,849 ¥ 2,000,582 ¥ 2,000,582  
Class A Ordinary Shares        
Ordinary shares, par value (in Dollars per share) | $ / shares $ 0.0001     $ 0.0001
Ordinary shares, shares authorized (in Shares) 450,000,000 450,000,000 450,000,000  
Ordinary shares, shares issued (in Shares) 21,140,922 21,140,922 21,140,922  
Ordinary shares, shares outstanding (in Shares) 21,140,922 21,140,922 21,140,922  
Class B Ordinary Shares        
Ordinary shares, par value (in Dollars per share) | $ / shares $ 0.0001     $ 0.0001
Ordinary shares, shares authorized (in Shares) 2,042,042 2,042,042 2,042,042  
Ordinary shares, shares outstanding (in Shares) 2,042,042 2,042,042 2,042,042