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v3.22.1

Property and Equipment | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Property, Plant and Equipment [Abstract] |  |
PROPERTY AND EQUIPMENT | 5. PROPERTY AND EQUIPMENT Property and equipment as of March 31, 2022 and December 31, 2021 are summarized as follows:
|  | March 31, 2022 |  |  | December 31, 2021 |
|  | (Unaudited) |  |  |  |
Land |  | $ | 387,866 |  |  | $ | 400,091 |
Buildings and leasehold improvements |  |  | 2,230,968 |  |  |  | 2,235,061 |
Machinery and equipment |  |  | 1,102,943 |  |  |  | 1,013,376 |
Office equipment |  |  | 186,149 |  |  |  | 191,824 |
|  |  | 3,907,926 |  |  |  | 3,840,352 |
Less: accumulated depreciation |  |  | (3,309,278 | ) |  |  | (3,314,471 | )
Property and equipment, net |  | $ | 598,648 |  |  | $ | 525,881 |
Depreciation expenses were $5,411 and $2,928 for three months ended March 31, 2022 and 2021, respectively. | 5. PROPERTY AND EQUIPMENT Property and equipment as of December 31, 2021 and 2020 are summarized as follows:
|  | December 31, 2021 |  |  | December 31, 2020 |
Land |  | $ | 400,091 |  |  | $ | 395,645 |
Buildings and leasehold improvements |  |  | 2,235,061 |  |  |  | 2,233,573 |
Machinery and equipment |  |  | 1,013,376 |  |  |  | 994,544 |
Office equipment |  |  | 191,824 |  |  |  | 189,760 |
|  |  | 3,840,352 |  |  |  | 3,813,522 |
Less: accumulated depreciation |  |  | (3,314,471 | ) |  |  | (3,298,688 | )
Property and equipment, net |  | $ | 525,881 |  |  | $ | 514,834 |
Depreciation expense were $11,993 and $37,142 for the year ended December 31, 2021 and 2020, 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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