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5. FINANCE LEASE RIGHT-OF-USE ASSETS (Tables)
 12 Months Ended
Dec. 31, 2019
Leases [Abstract]  
Property, plant and equipment under finance leases
    December 31,
2019		   December 31,
2018
At cost:                
Buildings   $ 117,956     $ 119,899  
Plant and machinery     2,157,848       2,193,375  
Total     2,275,804       2,313,274  
Less: Accumulated depreciation and amortization     (2,096,278)       (2,062,517 )
Net book value   $ 179,526     $ 250,757