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REVENUES (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Revenue    
Contract liabilities, brought forward $ 18,646 $ 19,843
Add: recognized as deferred revenue 44,064 47,090
Less: recognized as current period/year revenue (37,481) (48,287)
Contract liabilities, carried forward $ 25,229 $ 18,646