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Trade and Bills Receivables - Additional Information (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 CNY (¥) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 CNY (¥)
Disclosure of Trade and Bills Receivables [line items] |  |  |
Trade receivables payment terms | 60 days |  |
Outstanding bills receivable discounted with banks by retaining recourse obligation | ¥ 1,505,759 | $ 237,899 | ¥ 817,391
Outstanding bills receivable endorsed to suppliers with recourse obligation | 1,316,136 | 207,940 | 851,099
Gross trade receivables | ¥ 212,104 | 33,511 | 241,168
Top of range [Member] |  |  |
Disclosure of Trade and Bills Receivables [line items] |  |  |
Bills receivables discounted maturity period | 12 months |  |
Dongfeng Automobile Co., Ltd. [Member] |  |  |
Disclosure of Trade and Bills Receivables [line items] |  |  |
Gross trade receivables | ¥ 24,580 | $ 3,884 | ¥ 34,307

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