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EMPLOYEE BENEFITS (Details) - Schedule of principal assumptions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Schedule of principal assumptions [Abstract]    
Discount rate 5.81% 2.67%
Expected rate of salary increase 3.00% 2.80%
Rate of turnover 5.14% 5.56%
Mortality rate RV-2014 RV-2014
Inflation rate 3.40% 2.80%
Retirement age of women 60 60
Retirement age of men 65 65