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Segment information (Tables)
12 Months Ended
Dec. 31, 2021
Segment Information  
Schedule of Segment information
                         
   For the year ended December 31, 2021 
   Renewable energy solutions   Solar projects development   Electric vehicles   Others   Total 
   USD   USD   USD   USD   USD 
Revenues from external customers  $152,166   $5,481   $2,977   $1,369   $161,993 
Cost of sales   142,441    2,133    3,540    3,259    151,373 
Gross profit (loss)  $9,725   $3,348   $(563)  $(1,890)  $10,620 

 

   For the year ended December 31, 2020 
   Renewable energy solutions   Solar projects development   Electric vehicles   Others   Total 
   USD   USD   USD   USD   USD 
Revenues from external customers  $112,442   $24,423   $377   $1,386   $138,628 
Cost of sales   104,022    19,314    479    (2,042)   121,773 
Gross profit (loss)  $8,420   $5,109   $(102)  $3,428   $16,855 

 

   For the year ended December 31, 2019 
   Renewable energy solutions   Solar projects development   Electric vehicles   Others   Total 
   USD   USD   USD   USD   USD 
Revenues from external customers  $80,941   $10,096   $   $6,846   $97,883 
Cost of sales   75,439    9,307        5,947    90,693 
Gross profit (loss)  $5,502   $789   $   $899   $7,190 
Schedule of Segment assets
          
   As of December 31, 
   2021   2020 
   USD   USD 
Segment assets          
Renewable energy solutions  $52,946   $43,567 
Solar projects development   144,852    63,092 
Electric vehicles   17,738    29,367 
Others   12,544    81,007 
Total segment assets  $228,080   $217,033 
Schedule of intangible assets, long-term investment and goodwill
          
   As of December 31, 
   2021   2020 
   USD   USD 
Australia  $577   $916 
United States   37,021    26,929 
Japan   1,414    1,556 
Italy   1,749    2,042 
United Kingdom   9,477    10,251 
Greece   15,404    17,433 
Total long-lived assets  $65,642   $59,127