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CONSOLIDATED STATEMENTS OF CASH FLOWS
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
OPERATING ACTIVITIES        
(Loss)/profit before income tax for the year $ (2,383) ¥ (16,432) ¥ (52,836) ¥ 24,179
Adjustments for:        
Interest expenses   4,015 4,128 3,457
Interest expenses | $ 582      
Interest income   (6,883) (7,358) (7,330)
Interest income | $ (998)      
Gain on disposal of property, plant and equipment (1) (5)
Consultants share option expenses   16,152
Expense relating to consultant service reward | $ 2,342      
Expenses related to issuance of shares   1,579
Fair value (gain)/loss on financial instruments, net (146) (1,007) 38,349 (31,334)
Depreciation of property, plant and equipment 44 304 510 565
Depreciation of right-of-use assets 205 1,413 1,366 1,663
Amortization of intangible assets 118 813 884 156
Impairment losses/(reversal) on trade receivables   (3,989) 3,840 4,544
Impairment losses on trade receivables | $ (578)      
Impairment losses on contract assets 25 171 357 172
Impairment losses on other receivables (397) 2,745 239
Impairment losses on other receivables 397 (2,745) (239)
Impairment reversal on amounts due from related companies   (1,106) (554)
Changes in working capital        
Inventories 37 257 (148) (201)
Trade and bills receivables (1,560) (10,764) 6,580 26,263
Contract assets (749) (5,165) (780) (18,595)
Prepayments 73 504 (1,852) 406
Other receivables 47 321 (930) 41
Other current assets 265 1,829 1,805 (504)
Trade payables (115) (792) (7,507) (38,471)
Other payables and accruals 476 3,280 813 (10,961)
Provision 72 494
Cash used in operations (1,847) (12,739) (12,067) (46,504)
Income tax paid (7) (47) (1) (22)
Net cash flows used in operating activities (1,854) (12,786) (12,068) (46,526)
INVESTING ACTIVITIES        
Interest received 1,057 7,291 3,760 7,667
Additions of service concession right   (68) (7,575)
Purchase of property, plant and equipment (2) (17) (28) (266)
Purchase of intangible assets (1) (5)
Prepayment for right-of-use assets (33) (228) (55)
Purchase of structured deposit products   (60,000) (45,000)
Disposal of property, plant and equipment 1 9 6 6
Disposal of a subsidiary   (263)
Loan to an unrelated company   (80,000)
Repayment from loans due from related companies   125,000
Proceeds from maturity of structured deposit products   65,000 40,000
Net cash flows (used in)/from investing activities 1,022 7,050 53,352 (5,168)
FINANCING ACTIVITIES        
Proceeds from issuance of shares   41,996
Proceeds from bank loans   50,000
Repayments of bank loans (435) (3,000) (3,000)
Advances from related companies   360 4,082
Advances from the Shareholder   462
Repayment to related companies (401) (2,765) (50,148)
Repayments to the Shareholder (998) (6,885) (7,149)
Payment of principal portion of lease liabilities (162) (1,120) (1,463) (1,769)
Payment of interest expenses of lease liabilities (19) (133) (150) (80)
Deemed distribution to the controlling shareholder   (10,297)
Payments related to issuance of shares   (72)
Dividends paid to non-controlling shareholders   (4,900)
Dividends paid to former non-controlling shareholders (732) (5,048)
Interest paid (563) (3,882) (4,035) (4,028)
Net cash flows from/(used in) financing activities (3,310) (22,833) (38,786) 48,595
NET INCREASE/(DECREASE) IN CASH AND CASH EQUIVALENTS (4,142) (28,569) 2,498 (3,099)
NET FOREIGN EXCHANGE DIFFERENCE 277 1,905 (719) 281
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR 8,460 58,359 56,580 59,398
CASH AND CASH EQUIVALENTS AT END OF YEAR $ 4,595 ¥ 31,695 ¥ 58,359 ¥ 56,580