(ii)
accounts receivable increased by approximately RMB361,000 (US$49,000) for the nine months ended September 30, 2023, compared to an increase of approximately RMB5,952,000 for the nine months ended September 30, 2022, mainly due to the collection of accounts receivables as of December 31, 2022;
(iii)
other assets decreased by approximately RMB55,000 (US$8,000)for the nine months ended September 30, 2023, compared to an increase of approximately RMB426,000 for the nine months ended September 30, 2022;
(iv)
accounts and other payables decreased by approximately RMB257,000 (US$35,000) for the nine months ended September 30, 2023, compared to a decrease of approximately RMB566,000 for the nine months ended September 30, 2022;
(v)
payroll payables increased by approximately RMB9,000 (US$1,000) for the nine months ended September 30, 2023, compared to an increase of approximately RMB137,000 for the nine months ended September 30, 2022;
(vi)
deferred revenue increased by approximately RMB17,000 (US$2,000) for the nine months ended September 30, 2023, compared to an increase of approximately RMB421,000 for the nine months ended September 30, 2022;
(vii)
changes in lease liabilities — operating lease decreased by approximately RMB263,000 (US$36,000) for the nine months ended September 30, 2023, compared to a decrease of approximately RMB56,000 for the nine months ended September 30, 2022; and
(viii)
tax payable increased by approximately RMB990,000 (US$136,000) for the nine months ended September 30, 2023, compared to an increase of approximately RMB975,000 for the nine months ended September 30, 2022.
Investing activities
Net cash used in investing activities was approximately RMB3,198,000 (US$438,000) for the nine months ended September 30, 2023, compared to approximately RMB549,000 of cash used in investing activities for the nine months ended September 30, 2022. During the nine months ended September 30, 2023, we spent approximately RMB3,000 (US$457), RMB1,782,000 (US$244,000) and RMB1,412,000 (US$194,000) on the purchase of fixed assets, prepayment for software and loans to related parties, respectively. During the nine months ended September 30, 2022, we spent approximately RMB489,000 and RMB60,000 on the purchase of fixed assets and intangible assets, respectively.
Financing activities
Net cash used in financing activities was approximately RMB3,490,000 (US$478,000) for the nine months ended September 30, 2023, compared to approximately RMB1,764,000 of cash provided by financing activities for the nine months ended September 30, 2022. During the nine months ended September 30, 2023, net cash generated from financing activities included (i) approximately RMB3,000,000 (US$411,000) in proceeds from loans, (ii) approximately RMB596,000 (US$82,000) in repayment of loans, (iii) approximately RMB752,000 (US$103,000) in proceeds from capital contribution by shareholders, (iv) approximately RMB6,036,000 (US$827,000) in deferred costs related to the proposed initial public offering, and (v) approximately RMB611,000 (US$84,000) in net repayment from related parties. During the nine months ended September 30, 2022, net cash provided by financing activities included the net proceeds from related parties amounted to approximately RMB2,514,000 and RMB750,000 used in deferred costs related to the proposed initial public offering.