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v3.20.2

Statutory Reserve (Details) | 6 Months Ended
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Jun. 30, 2020
Statutory Reserve (Textual) |
Statutory reserve percentage | 10.00%
Registered capital percentage | 50.00%

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- References No definition available. + Details
Name: | avco_RegisteredCapitalPercentage
Namespace Prefix: | avco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | avco_StatutoryReservePercent
Namespace Prefix: | avco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | avco_StatutoryReserveTextualAbstract
Namespace Prefix: | avco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration