Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v3.21.1
Summary of Significant Accounting Policies (Details) - 3 months ended Mar. 31, 2021
USD ($)
CNY (¥)
Summary of Significant Accounting Policies (Details) [Line Items]    
Cash and cash equivalents, description the Company’s cash is maintained with state-owned banks within the PRC. Balances at state-owned banks within the PRC are covered by insurance up to RMB 500,000 (approximately $76,000) per bank. Any balance over RMB 500,000 per bank in PRC will not be covered.  
Cash balance held in PRC $ 165,000 ¥ 1,083,049
Limited insurance 85,000 ¥ 556,726
Federally-insured limits 250,000  
United States [Member]    
Summary of Significant Accounting Policies (Details) [Line Items]    
Federally-insured limits $ 986,000