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v3.21.2

Statutory Reserves (Tables) | 6 Months Ended | 12 Months Ended
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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

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