Bank Loans (Details) - Schedule of short-term bank loans (Parentheticals) |
3 Months Ended |
|---|---|
Mar. 31, 2021 | |
| Due on January 21, 2021 [Member] | The Export-Import Bank of China [Member] | |
| Short-term Debt [Line Items] | |
| Annual interest rate | 3.88% |
| Debt instrument, maturity date | Jan. 21, 2021 |
| Short-term debt description | Guaranteed by Pin Lin, Xinrong Zhuo and Hong Long, pledged deposits provided by Hong Long amounted to RMB 42 million |
| Due on October 29, 2021 [Member] | Fujian Haixia Bank [Member] | |
| Short-term Debt [Line Items] | |
| Annual interest rate | 6.09% |
| Debt instrument, maturity date | Oct. 29, 2021 |
| Short-term debt description | Collateralized by Hong Long's 5 fishing vessels, the Company's 1 fishing vessel and 7 real estate properties of Ping Lin and Ying Liu |
| Debt ratio of borrower | 100.00% |
| Due on January 19, 2022 [Member] | Fujian Haixia Bank [Member] | |
| Short-term Debt [Line Items] | |
| Annual interest rate | 6.09% |
| Debt instrument, maturity date | Jan. 19, 2022 |
| Short-term debt description | Guaranteed by Pin Lin, Xinrong Zhuo, Longxiong Zhuo, Longjie Zhuo, Longhao Zhuo and Hong Long, collateralized by three land use rights of old city reconstruction plots west of Baima Road |
| Debt ratio of borrower | 80.00% |
| Due on January 20, 2022 [Member] | Fujian Haixia Bank [Member] | |
| Short-term Debt [Line Items] | |
| Annual interest rate | 6.09% |
| Debt instrument, maturity date | Jan. 20, 2022 |
| Short-term debt description | Guaranteed by Pin Lin, Xinrong Zhuo, Longxiong Zhuo, Longjie Zhuo, Longhao Zhuo and Hong Long, collateralized by three land use rights of old city reconstruction plots west of Baima Road |
| Debt ratio of borrower | 80.00% |