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v3.19.1

SUBSEQUENT EVENTS (Narrative) (Details) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Feb. 28, 2019 | Dec. 31, 2018 | Dec. 20, 2017
Subsequent Event [Line Items] |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00%
Business Combination Consideration To be Transferred Among Least |  | 1) 20% of the total assets of Zhejiang Haiyang as of December 31, 2018 plus 20% of the audited net profit of Zhejiang Haiyang from January 1, 2019 to the completion day of the transaction, or 2) RMB170,000. |
Zhejiang Haiyang [Member] | Subsequent Events [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 20.00% |  |
Business Combination, Contingent Consideration Arrangements, Basis for Amount | 1) The evaluated total assets based on December 31, 2018*20% plus the audited net profit from January 1, 2019 to the completion day of the transaction*20%; 2) RMB170,000. |  |

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