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PLANT AND EQUIPMENT, NET | 12 Months Ended
--- | ---
Sep. 30, 2021
PLANT AND EQUIPMENT, NET |
PLANT AND EQUIPMENT, NET | 8. PLANT AND EQUIPMENT, NET Plant and equipment, net consist of the following: ​
​ | ​ | ​ | ​ | ​
​ | ​ | September 30,
​ | ​ | 2020 | ​ | 2021
​ |  | RMB |  | RMB
Plant and building |  | 123,011 |  | 70,179
Machinery and equipment |  | 64,734 |  | 57,203
Furniture and office equipment |  | 12,363 | ​ | 12,353
Motor vehicles |  | 3,586 | ​ | 3,580
Total |  | 203,694 |  | 143,315
Accumulated depreciation |  | (88,243) |  | (94,631)
Plant and equipment, net |  | 115,451 |  | 48,684
​ The Company incurred impairment of plant and equipment of RMB24,012 and RMB60,652 for the year ended September 30, 2020 and 2021, respectively. There are plant and building with net values of RMB20,565 and RMB 19,827 have been pledged for bank loans as of September 30, 2020 and 2021, respectively. The depreciation expenses for the years ended September 30, 2019, 2020 and 2021were RMB10,226, RMB9,116, and RMB6,812, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
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