SEGMENT INFORMATION (Tables)

12 Months Ended

Dec. 31, 2022

Segment Information

Schedule of segment results

	Year Ended December 31, 2020
	Wastewater treatment			Exploration and mining			Corporate activities			Total
	CNY			CNY			CNY			CNY
Revenues from external customers		35,631			6,867			—			42,498
Segment (loss)/profit before income tax		(112	)		(682	)		24,973			24,179
Income tax expense											(1,258	)
Profit for the year											22,921
Other items
Depreciation of property, plant and equipment		(500	)		(62	)		(3	)		(565	)
Depreciation of right-of-use assets		(687	)		—			(976	)		(1,663	)
Amortization of intangible assets		(156	)		—			—			(156	)
Impairment (losses)/reversal on financial assets
- Trade receivables		(4,544	)		—			—			(4,544	)
- Contract assets		(172	)		—			—			(172	)
- Amounts due from related companies		334			—			220			554
Fair value gain on financial instrument		—			—			31,334			31,334
Other income		1,415			200			1			1,616
Finance costs		(3,687	)		(1	)		(61	)		(3,749	)
Finance income		15,449			1			18			15,468
As of December 31, 2020
Segment assets		337,050			39			190,047			527,136
Unallocated assets:
Deferred tax assets											2,920
Total assets											530,056
Segment liabilities		116,140			3,013			90,066			209,219
Unallocated liabilities:
Deferred tax liabilities											10,426
Income tax payable											18,612
Total liabilities											238,257

For the year ended December 31, 2021, the segment results were as follows:

	Year Ended December 31, 2021
	Wastewater treatment			Exploration and mining			Corporate activities			Total
	CNY			CNY			CNY			CNY
Revenues from external customers		18,735			—			—			18,735
Segment (loss) before income tax		(7,216	)		(161	)		(45,459	)		(52,836	)
Income tax expense											(2,135	)
(Loss) for the year											(54,971	)
Other items
Depreciation of property, plant and equipment		(445	)		(62	)		(3	)		(510	)
Depreciation of right-of-use assets		(647	)		—			(719	)		(1,366	)
Amortization of intangible assets		(884	)		—			—			(884	)
Impairment (losses)/reversal on financial assets
- Trade receivables		(3,840	)		—			—			(3,840	)
- Contract assets		(357	)		—			—			(357	)
- Other receivables		—			—			(239	)		(239	)
- Amounts due from related companies		775			—			331			1,106
Fair value loss on financial instrument		—			—			(38,349	)		(38,349	)
Other income		(782	)		600			(1	)		(183	)
Finance costs		(4,192	)		(1	)		(166	)		(4,359	)
Finance income		13,537			1			3,397			16,935
As of December 31, 2021
Segment assets		390,895			321			22,166			413,382
Reconciliation:
Elimination of inter-segment receivables											(80,000	)
Unallocated assets:
Deferred tax assets											66
Total assets											333,448
Segment liabilities		113,124			3,294			103,195			219,613
Reconciliation:
Elimination of inter-segment payables											(80,000	)
Unallocated liabilities:
Deferred tax liabilities											2,544
Income tax payable											9,254
Total liabilities											151,411

For the year ended December 31, 2022, the segment results were as follows:

	Year Ended December 31, 2022
	Wastewater treatment			Exploration and mining			Corporate activities			Total
	CNY			CNY			CNY			CNY
Revenues from external customers		20,306			—			—			20,306
Segment profit/(loss) before income tax		9,758			(39	)		(26,151	)		(16,432	)
Income tax expense											(5,864	)
(Loss) for the year											(22,296	)
Other items
Depreciation of property, plant and equipment		(275	)		(28	)		(1	)		(304	)
Depreciation of right-of-use assets		(713	)		—			(700	)		(1,413	)
Amortization of intangible assets		(813	)		—			—			(813	)
Impairment (losses)/reversal on financial assets
- Trade receivables		3,989			—			—			3,989
- Contract assets		(171	)		—			—			(171	)
- Other receivables		—			—			(2,745	)		(2,745	)
Fair value gain on financial instrument		—			—			1,007			1,007
Consultants shares option expense		—			—			(16,152	)		(16,152	)
Other income		206			697			1			904
Finance costs		(3,582	)		(1	)		188			(3,395	)
Finance income		15,594			—			13			15,607
As of December 31, 2022
Segment assets		312,229			286			87,476			399,991
Reconciliation:
Elimination of inter-segment receivables											(80,000	)
Total assets											319,991
Segment liabilities		107,096			3,298			96,140			206,534
Reconciliation:
Elimination of inter-segment payables											(80,000	)
Unallocated liabilities:
Deferred tax liabilities											5,276
Income tax payable											10,732
Total liabilities											142,542

	Year Ended December 31, 2022
	Wastewater treatment			Exploration and mining			Corporate activities			Total
	US$			US$			US$			US$
Revenues from external customers		2,944			—			—			2,944
Segment profit/(loss) before income tax		1,414			(6	)		(3,791	)		(2,383	)
Income tax expense											(850	)
(Loss)/Profit for the year											(3,233	)
Other items
Depreciation of property, plant and equipment		(40	)		(4	)		—			(44	)
Depreciation of right-of-use assets		(104	)		—			(101	)		(205	)
Amortization of intangible assets		(118	)		—			—			(118	)
Impairment (losses)/reversal on financial assets
- Trade receivables		578			—			—			578
- Contract assets		(25	)		—			—			(25	)
- Other receivables		—			—			(397	)		(397	)
Fair value gain on financial instrument		—			—			146			146
Consultants shares option expense		—			—			(2,342	)		(2,342	)
Other income		30			101			—			131
Finance costs		(519	)		—			27			(492	)
Finance income		2,261			—			2			2,263
As of December 31, 2022
Segment assets		45,264			41			12,682			57,987
Reconciliation:
Elimination of inter-segment receivables											(11,599	)
Total assets											46,388
Segment liabilities		15,526			478			13,938			29,942
Reconciliation:
Elimination of inter-segment payables											(11,599	)
Unallocated liabilities:
Deferred tax liabilities											765
Income tax payable											1,556
Total liabilities											20,664

Schedule of non-current assets

	December 31,
	2021		2022		2022
	CNY		CNY		US$
Mainland China		22,905		21,790		3,159
Hong Kong		360		1,012		147
Total		23,265		22,802		3,306