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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Foreign Currency Translation (Details) - ¥ / $ | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |  |
Year-end spot rate | 6.4580 | 6.8033 | 7.1383
Average rate | 6.5095 | 7.0077 | 6.8767

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- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901 + Details
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