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LOANS AND BORROWINGS - Long-term borrowings secured (Details) - CNY (¥) ¥ in Thousands | Sep. 30, 2017 | Dec. 31, 2016 | Sep. 30, 2016
--- | --- | --- | ---
Long-term borrowings |  |  |
Assets to secure long-term loans and borrowings | ¥ 652,618 | ¥ 600,734 |
Long-term loans guaranteed by William Wei Huang, Director and CEO of the Company | ¥ 0 | 9,500 |
Weighted average interest rates of long-term borrowings | 6.99% |  | 8.17%
Accounts receivable |  |  |
Long-term borrowings |  |  |
Assets to secure long-term loans and borrowings | ¥ 107,819 | 67,433 |
Property and equipment, net |  |  |
Long-term borrowings |  |  |
Assets to secure long-term loans and borrowings | 524,653 | 512,566 |
Prepaid land use rights, net |  |  |
Long-term borrowings |  |  |
Assets to secure long-term loans and borrowings | ¥ 20,146 | ¥ 20,735 |

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- Definition Carrying value as of the balance sheet date of long-term debt guaranteed by related parties. + References No definition available. + Details
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