v3.26.3
Concentrations and risks (Tables)
 6 Months Ended
Jun. 30, 2026
Concentrations and risks  
Schedule of concentration risks by total revenue and total accounts receivable

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For the six months ended June 30,

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2025

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2026

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2026

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RMB

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RMB

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US$

Amount of the Group’s revenue

 

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Customer A

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1,538,585

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1,911,957

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281,788

Customer B

 

1,419,387

 

NA(1)

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NA(1)

Customer C

 

1,646,439

 

1,219,930

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179,795

(1)The amount was less than 10% of the Company’s total revenue for the six months ended June 30, 2026.

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As of

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As of

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As of

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December 31, 

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June 30,

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June 30,

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2025

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2026

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2026

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RMB

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RMB

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US$

Amount of the Group’s accounts receivable

 

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Customer A

 

1,191,850

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NA(2)

 

NA(2)

Customer C

 

4,843,602

 

6,066,126

 

894,036

Customer D

 

850,000

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NA(2)

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NA(2)

(2)The amount was less than 10% of the Company’s accounts receivable as of June 30, 2026.

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