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BUSINESS ACQUISITION - Acquisition of after sales service center - (Details) - Chongqing Zhoushuo $ in Millions | 12 Months Ended
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Dec. 31, 2018 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Ownership interest disposed | 70.00%
Consideration | $ 0.1

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