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v3.23.3

Related party balances and transactions (Details 1) - USD ($) | Jun. 30, 2023 | Dec. 31, 2022
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Related Party Transaction [Line Items] |  |
Due from related parties | $ 13,791 | $ 29,983
Due to related parties | 19,352 | 53,671
Ji Meng [Member] |  |
Related Party Transaction [Line Items] |  |
Due from related parties |  | 10,439
Due to related parties | 5,516 |
Zuogang Luo [Member] |  |
Related Party Transaction [Line Items] |  |
Due from related parties | 13,791 | 19,544
Zhiguo Li [Member] |  |
Related Party Transaction [Line Items] |  |
Due to related parties | 11,230 | 6,223
Qi Gu [Member] |  |
Related Party Transaction [Line Items] |  |
Due to related parties | 2,606 | 3,030
Yimin Wu [Member] |  |
Related Party Transaction [Line Items] |  |
Due to related parties |  | 36,664
Weimin Wu [Member] |  |
Related Party Transaction [Line Items] |  |
Due to related parties |  | 4,619
Shengmin Wu [Member] |  |
Related Party Transaction [Line Items] |  |
Due to related parties |  | $ 3,135

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