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Concentrations | 12 Months Ended
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Sep. 30, 2021
Risks and Uncertainties [Abstract] |
CONCENTRATIONS | 18. CONCENTRATIONS Concentrations of credit risk As of September 30, 2020 and 2021, cash, cash equivalents and restricted cash balances in the PRC are $340,530 and $5,889,885, respectively, which were primarily deposited in financial institutions located in Mainland China, and each bank account is insured by the government authority with the maximum limit of RMB500,000 (equivalent to $70,692). To limit exposure to credit risk relating to deposits, the Company primarily place cash and cash equivalent deposits with large financial institutions in China which management believes are of high credit quality and management also continually monitors the financial institutions’ credit worthiness. Concentrations of customers The following table sets forth information as to each customer that accounted for 10% or more of total accounts receivable as of September 30, 2020 and 2021.
|  | As of September 30, 2020 |  |  | As of September 30, 2021 |
Customer |  | Amount |  |  | % of Total |  |  | Amount |  |  | % of Total |
A |  | $ | 644,120 |  |  |  | 10 | % |  | $ | 1,289,276 |  |  |  | 19 | %
B |  |  | * |  |  |  | * |  |  |  | 1,253,742 |  |  |  | 18 | %
C |  |  | * |  |  |  | * |  |  |  | 1,102,586 |  |  |  | 16 | %
D |  |  | * |  |  |  | * |  |  |  | 1,083,605 |  |  |  | 16 | %
E |  |  | * |  |  |  | * |  |  |  | 863,626 |  |  |  | 12 | %
F |  |  | 2,390,789 |  |  |  | 36 | % |  |  | * |  |  |  | * |
Total |  | $ | 3,034,909 |  |  |  | 46 | % |  | $ | 5,592,835 |  |  |  | 81 | %
| * | Represented the percentage below 10%
The following table sets forth information as to each customer that accounted for 10% or more of total revenue for the fiscal years ended September 30, 2019, 2020 and 2021.
|  | Fiscal year ended September 30, 2019 |  |  | Fiscal year ended September 30, 2020 |  |  | Fiscal year ended September 30, 2021 |
Customer |  | Amount |  |  | % of Total |  |  | Amount |  |  | % of Total |  |  | Amount |  |  | % of Total |
A |  | $ | * |  |  |  | * |  |  | $ | * |  |  |  | * |  |  | $ | 3,062,302 |  |  |  | 13 | %
B |  |  | * |  |  |  | * |  |  |  | * |  |  |  | * |  |  |  | 2,230,798 |  |  |  | 10 | %
F |  |  | * |  |  |  | * |  |  |  | 4,065,411 |  |  |  | 24 | % |  |  | * |  |  |  | * |
G |  |  | 1,158,818 |  |  |  | 22 | % |  |  | * |  |  |  | * |  |  |  | * |  |  |  | * |
H |  |  | 867,411 |  |  |  | 17 | % |  |  | * |  |  |  | * |  |  |  | * |  |  |  | * |
I |  |  | 642,683 |  |  |  | 12 | % |  |  | * |  |  |  | * |  |  |  | * |  |  |  | * |
J |  |  | 578,489 |  |  |  | 11 | % |  |  | * |  |  |  | * |  |  |  | * |  |  |  | * |
Total |  | $ | 3,247,401 |  |  |  | 62 | % |  | $ | 4,065,411 |  |  |  | 24 | % |  | $ | 5,293,100 |  |  |  | 23 | %
| * | Represented the percentage below 10%
The following table sets forth information as to each supplier that accounted for 10% or more of total purchase for the fiscal years ended September 30, 2019, 2020 and 2021.
|  | Fiscal year ended September 30, 2019 |  |  | Fiscal year ended September 30, 2020 |  |  | Fiscal year ended September 30, 2021 |
Supplier |  | Amount |  |  | % of Total |  |  | Amount |  |  | % of Total |  |  | Amount |  |  | % of Total |
A |  |  | * |  |  |  | * |  |  | $ | * |  |  |  | * |  |  | $ | 3,485,941 |  |  |  | 16 | %
B |  |  | * |  |  |  | * |  |  |  | * |  |  |  | * |  |  |  | 2,420,798 |  |  |  | 11 | %
C |  |  | 504,889 |  |  |  | 63 | % |  |  | 4,320,110 |  |  |  | 26 | % |  |  | * |  |  |  | * |
D |  |  | * |  |  |  | * |  |  |  | 2,141,144 |  |  |  | 13 | % |  |  | * |  |  |  | * |
E |  |  | 110,940 |  |  |  | 14 | % |  |  | * |  |  |  | * |  |  |  | * |  |  |  | * |
Total |  |  | 615,829 |  |  |  | 77 | % |  | $ | 6,461,254 |  |  |  | 39 | % |  | $ | 5,906,739 |  |  |  | 27 | %
| * | Represented the percentage below 10%

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI http://asc.fasb.org/topic&trid=2134479 + Details
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