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Concentrations and Credit Risk (Details Textual) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Concentrations and Credit Risk (Textual) |  |
Payable to accounts and bill payable | $ 4,021,255 | $ 16,014,118
Zhengzhou BAK Battery Co Limited [Member] |  |
Concentrations and Credit Risk (Textual) |  |
Payable to accounts and bill payable |  | $ 2,291,261

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- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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