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Statutory Reserves (Tables)
 6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Statutory Reserves [Abstract]    
Schedule of maximum statutory reserve amount
Name of Chinese Subsidiaries  Registered
Capital		   Maximum
Statutory
Reserve
Amount		   Statutory
reserve at
June 30,
2021		  Statutory
reserve at
December 31,
2020
Shanghai TCH  $29,800,000   $14,900,000   ¥6,564,303 ($1,003,859)  ¥6,564,303 ($1,003,859)
                 
Xi’an TCH  ¥202,000,000   ¥101,000,000   ¥73,806,273 ($11,252,626)  ¥73,700,706 ($11,236,314)
                 
Erdos TCH  ¥120,000,000   ¥60,000,000   ¥19,035,814 ($2,914,869)  ¥19,035,814 ($2,914,869)
                 
Xi’an Zhonghong  ¥30,000,000   ¥15,000,000   Did not accrue yet due to accumulated deficit  Did not accrue yet due to accumulated deficit
                 
Shaanxi Huahong  $2,500,300   $1,250,150   Did not accrue yet due to accumulated deficit  Did not accrue yet due to accumulated deficit
                 
Zhongxun  ¥35,000,000   ¥17,500,000   Did not accrue yet due to accumulated deficit  Did not accrue yet due to accumulated deficit

 
Name of Chinese Subsidiaries  Registered
Capital		   Maximum
Statutory 
Reserve
Amount		   Statutory reserve at
December 31,
2020		  Statutory
reserve at
December 31,
2019
               
Shanghai TCH  $29,800,000   $14,900,000   ¥6,564,303 ($1,003,859)  ¥6,564,303 ($1,003,859)
                 
Xi’an TCH  ¥202,000,000   ¥101,000,000   ¥73,700,706 ($11,236,314)  ¥69,359,820 ($10,606,984)
                 
Erdos TCH  ¥120,000,000   ¥60,000,000   ¥19,035,814 ($2,914,869)  ¥19,035,814 ($2,914,869)
                 
Xi’an Zhonghong  ¥30,000,000   ¥15,000,000   Did not accrue yet due to accumulated deficit  Did not accrue yet due to accumulated deficit
                 
Shaanxi Huahong  $2,500,300   $1,250,150   Did not accrue yet due to accumulated deficit  Did not accrue yet due to accumulated deficit
                 
Zhongxun  ¥35,000,000   ¥17,500,000   Did not accrue yet due to accumulated deficit  Did not accrue yet due to accumulated deficit