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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2020
Accounting Policies [Abstract]  
Schedule of bad debt allowance
   2020   2019 
Xuzhou Zhongtai project  $4,237,587   $10,034,116 
Bai Chonggong (for Shenqiu and Huayu projects)   13,710,855    35,415,556 
Xuzhou Tian’an project   16,950,350    - 
Receivable of electricity sales of Erdos   1,163,624    2,614,299 
Total accounts receivable   36,062,416    48,063,971 
Bad debt allowance   (4,269,198)   (5,995,210)
Accounts receivable, net  $31,793,218   $42,068,761 
Schedule of property and equipment estimated lives
Building     20 years  
Vehicles     2 - 5 years  
Office and Other Equipment     2 - 5 years  
Software     2 - 3 years