​

​

June 30,

​

June 30,

​

June 30,

​

​

2025

​

2026

​

2026

​

  ​ ​ ​

RMB

  ​ ​ ​

RMB

  ​ ​ ​

US Dollars

Prepayment for construction (A)

¥

14,489,026

¥

57,434,827

​

$

8,464,846

Prepayment for others

​

380,358

​

534,670

​

78,801

Allowance for doubtful accounts

​

(249,828)

​

(211,641)

​

(31,192)

Purchase advance, net

¥

14,619,556

¥

57,757,856

​

$

8,512,455

(A)

Prepayment for construction represents prepayments for construction and equipment-related services for the Recon-SD factory. The Company expects such prepayments will be settled, with the related costs capitalized into construction-in-progress or property, plant and equipment within the next six months as the related services are delivered and the factory commences production.