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SHORT-TERM BANK LOANS - Components (Details) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Jun. 30, 2021 CNY (¥)
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Short-term Debt [Line Items] |  |  |
Total short-term bank loans | ¥ 10,000,000 | $ 1,600,000 | ¥ 15,000,000
Bank of Nanjing |  |  |
Short-term Debt [Line Items] |  |  |
Total short-term bank loans |  |  | 4,000,000
Beijing Rural Commercial Bank |  |  |
Short-term Debt [Line Items] |  |  |
Total short-term bank loans | ¥ 10,000,000 | $ 1,571,977 | 10,000,000
China Construction Bank |  |  |
Short-term Debt [Line Items] |  |  |
Total short-term bank loans |  |  | ¥ 1,000,000

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- Definition Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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