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Business and Organization (Details)	Mar. 31, 2018	Nov. 03, 2017
Mr. Yu Han holding [Member]
Business and Organization (Textual)
Equity ownership interest	85.00%
Koulin Han holding [Member]
Business and Organization (Textual)
Equity ownership interest	15.00%
Hangzhou Dacheng Automotive Technology Service Co., Ltd [Member]
Business and Organization (Textual)
Equity ownership interest		60.00%

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Business and organization textual.

+ References

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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