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Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2020
Accounting Policies [Abstract]  
Schedule of bad debt allowance
   2020  2019
Xuzhou Zhongtai project  $5,645,651   $10,034,116 
Bai Chonggong (for Shenqiu and Huayu projects)   20,757,082    35,415,556 
Xuzhou Tian’an project   16,936,952    - 
Receivable of electricity sales of Erdos   2,574,117    2,614,299 
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 
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