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BANK AND OTHER BORROWINGS | 12 Months Ended
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Dec. 31, 2022
BANK AND OTHER BORROWINGS |
BANK AND OTHER BORROWINGS | 18. BANK AND OTHER BORROWINGS ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As at December 31,
​ | ​ | 2021 | ​ | 2022 | ​ | 2022
​ |  | RMB |  | RMB |  | US$
Total bank and other borrowings |  | 2,477,948 |  | 2,984,010 |  | 432,641
Comprised of: |  | ​ |  | ​ |  | ​
Short-term |  | 136,510 |  | 168,601 |  | 24,445
Long-term, current portion |  | 162,842 |  | 343,982 |  | 49,873
​ |  | 299,352 |  | 512,583 |  | 74,318
Long-term, non-current portion |  | 2,178,596 |  | 2,471,427 |  | 358,323
​ |  | 2,477,948 |  | 2,984,010 |  | 432,641
​ Certain bank borrowings are secured by equipment with a net carrying value of RMB361,806 and RMB412,683 (US$59,833) (note 9), accounts receivable with a carrying value of RMB10,056 and RMB11,166 (US$1,619) (note 6) (including lease receivables with a carrying value of RMB10,056 and RMB340 (US$49) (note 10), certain land use rights (which are recorded as “right-of-use assets”) with a carrying value of RMB405,117 and RMB395,973 (US$57,411) (note 10), certain long-term investments with a carrying value of RMB167,044 and RMB179,231 (US$25,986) (note 14), certain construction in progress with a carrying value of RMB1,709,761 and RMB1,754,217 (US$254,338) (note 9), as of December 31, 2021 and 2022, respectively. The short-term bank and other borrowing bore a weighted average interest of 5.86 % and 6.60% per annum, and the long-term bank and other borrowings bore a weighted average interest of 6.31% and 6.48% per annum, respectively, as of December 31, 2021 and 2022. Bank and other borrowings amounted to RMB156,555 (US$22,698) (2021: RMB126,362) and RMB2,827,455 (US$409,943) (2021:RMB2,351,586) were denominated in US$ and RMB, respectively as of December 31, 2022. The maturity analysis of the long-term bank and other borrowings are as follows: ​
​ | ​ | ​ | ​ | ​
​ |  | RMB |  | US$
Within one year |  | 343,982 |  | 49,873
Between one and two years |  | 542,952 |  | 78,721
Between two and three years |  | 380,079 |  | 55,106
Between three and four years |  | 358,615 |  | 51,994
Above four years |  | 1,189,781 |  | 172,502
​ |  | 2,815,409 |  | 408,196
​ As of December 31, 2022, the Group had unutilized short-term bank credit lines and unutilized long-term bank credit lines amounted to RMB52,101 (US$7,554) and nil, respectively.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI https://asc.fasb.org/topic&trid=2208564 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1C -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1I -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1I -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(c)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1C -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1C -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1E -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1I -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 + Details
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