December 31, 2023, compared to an increase of approximately RMB6,268,000 for the year ended December 31, 2022, mainly due to the collection of accounts receivable as of December 31, 2022;
(iii)
other assets decreased by approximately RMB374,000 (US$53,000) for the year ended December 31, 2023, compared to an increase of approximately RMB5,000 for the year ended December 31, 2022;
(iv)
accounts and other payables decreased by approximately RMB252,000 (US$36,000) for the year ended December 31, 2023, compared to a decrease of approximately RMB501,000 for the year ended December 31, 2022;
(v)
payroll payables increased by approximately RMB124,000 (US$17,000) for the year ended December 31, 2023, compared to an increase of approximately RMB310,000 for the year ended December 31, 2022;
(vi)
deferred revenue increased by approximately RMB41,000 (US$6,000) for the year ended December 31, 2023, compared to a decrease of approximately RMB176,000 for the year ended December 31, 2022;
(vii)
changes in lease liabilities — operating lease decreased by approximately RMB311,000 (US$44,000) for the year ended December 31, 2023, compared to a decrease of approximately RMB56,000 for the year ended December 31, 2022; and
(viii)
tax payable increased by approximately RMB1,570,000 (US$221,000) for the year ended December 31, 2023, compared to an increase of approximately RMB1,340,000 for the year ended December 31, 2022.
Investing activities
Net cash used in investing activities was approximately RMB1,789,000 (US$252,000) for the year ended December 31, 2023, compared to approximately RMB549,000 of cash used in investing activities for the year ended December 31, 2022. During the year ended December 31, 2023, we spent approximately RMB6,000 (US$892) and RMB1,782,000 (US$251,000) on the purchase of fixed assets and intangible assets, respectively. During the year ended December 31, 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 RMB4,111,000 (US$579,000) for the year ended December 31, 2023, compared to approximately RMB2,651,000 of cash provided by financing activities for the year ended December 31, 2022. During the year ended December 31, 2023, net cash used in financing activities included (i) approximately RMB3,000,000 (US$423,000) in proceeds from loans, (ii) approximately RMB596,000 (US$84,000) in repayment of loans, (iii) approximately RMB752,000 (US$106,000) in proceeds from capital contribution by shareholders, approximately RMB6,648,000 (US$936,000) in deferred costs related to the proposed initial public offering, and (v) approximately RMB619,000 (US$87,000) in net repayment from related parties. During the year ended December 31, 2022, net cash generated from financing activities included (i) approximately RMB650,000 in proceeds from loans, (ii) approximately RMB54,000 in repayment of loans, (iii) approximately RMB2,000,000 in proceeds from capital contribution by shareholders, (iv) RMB750,000 in deferred costs related to the proposed initial public offering, and (v) approximately RMB805,000 in net proceeds from related parties.
Off-Balance Sheet Arrangements
As of the date of this prospectus, we have not entered into any off-balance sheet financial guarantees or other off-balance sheet commitments to guarantee the payment obligations of any third parties. We have not entered into any derivative contracts that are indexed to our shares and classified as shareholder’s equity or that are not reflected in our consolidated financial statements. Furthermore, we do not have any retained or contingent interest in assets transferred to an unconsolidated entity that serves as credit, liquidity,