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Summary of Significant Accounting Policies (Details) - Schedule of bad debt allowance - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total accounts receivable $ 45,913,802 $ 48,063,971
Bad debt allowance (5,903,063) (5,995,210)
Accounts receivable, net 40,010,739 42,068,761
Xuzhou Zhongtai project [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total accounts receivable 5,645,651 10,034,116
Bai Chonggong (for Shenqiu and Huayu projects) [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total accounts receivable 20,757,082 35,415,556
Xuzhou Tian'an project [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total accounts receivable 16,936,952  
Receivable of electricity sales of Erdos [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total accounts receivable $ 2,574,117 $ 2,614,299