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Income Taxes (Details) - Schedule of reconciliations of the statutory income tax rate and the company's effective income tax rate	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Schedule of reconciliations of the statutory income tax rate and the company's effective income tax rate [Abstract]
HK statutory income tax rate	16.50%	16.50%	16.50%
PRC statutory income tax rate difference	8.50%	8.50%	(1.50%)
Effect of additional deduction on R&D expense and salary for disabled workers	0.00%	0.08%	0.87%
Effect of expenses not deductible for tax purposes	(2.43%)	(0.48%)	(0.05%)
Valuation allowance recognized with respect to the loss in subsidiaries	(22.57%)	(24.60%)	(15.82%)
Other	(0.10%)	0.00%	0.00%
Total	(0.10%)

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Effect of additional deduction on R&D expense and salary for disabled workers.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-Topic 740
-SubTopic 10
-Section 50
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Topic 740
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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