BANK AND OTHER BORROWINGS

12 Months Ended

Dec. 31, 2018

17.

BANK AND OTHER BORROWINGS

	As at December 31,
	2017		2018		2018
	RMB		RMB		US$
Total bank and other borrowings		993,945		938,114		136,442
Comprised of:
Short-term		512,222		396,520		57,671
Long-term, current portion		197,139		44,068		6,409
		709,361		440,588		64,080
Long-term, non-current portion		284,584		497,526		72,362
		993,945		938,114		136,442

Certain bank borrowings are secured by equipment with a net carrying value of RMB37,481 and nil (note 10), accounts receivable with a carrying value of RMB13,164 and nil (note 6), net investment in financing leases with carrying value of RMB24,224 and nil (note 14), certain prepaid land lease payment with a carrying value of

RMB48,273

and RMB425,742 (USD$61,922)

(note 11), certain

construction in progress with a carrying value of

RMB 206,244

and RMB893,087 (USD$129,894)

(note 10), deposit for non-current asset with a carrying value of nil and RMB13,800 (USD$2,007) (note 13),and restricted cash of

RMB563,986 and RMB421,990 (US$61,376) (note 2), as of December 31, 2017 and 2018, respectively.

As at December 31, 2017 and 2018, the short-term bank and other borrowing bore a weighted average interest of 2.45 % and 4.08% per annum, and the long-term bank and other borrowings bore a weighted average interest of 12.16% and 9.81% per annum, respectively. As at December 31, 2018, bank and other borrowings amounted to RMB31,083 (US$4,521) (2017: RMB546,519) and RMB907,031(US$131,922) (2017: RMB447,426) were denominated in US$ and RMB, respectively.

As of December 31, 2018, the maturity profile of these long-term bank and other borrowings are as follows:

	RMB		US$
Within one year		44,068		6,409
Between one and two years		11,098		1,614
Between two and three years		38,926		5,662
Between three and four years		102,057		14,844
Above four years		345,445		50,242
		541,594		78,771

As of December 31, 2018, the Company had unutilized short-term bank credit lines and unutilized long-term bank credit lines amounted to RMB33,480 (US$4,869) and RMB1,060,000 (USD$154,171), respectively.