v3.25.2
Schedule of discontinued operations (Details) (Parenthetical) - CNY (¥)
Mar. 17, 2025
Jan. 31, 2022
Fujian Pingtan Ocean Fishery Group Co. Ltd [Member]    
Equity method investment, ownership percentage 3.00% 3.00%
Wuxi Wangdao [Member]    
Repayment of loan ¥ 10,700,000