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Trade and other payable (Tables)
12 Months Ended
Dec. 31, 2017
Subclassifications of assets, liabilities and equities [abstract]  
Summary of trade and other payables
 
2017
 
2016
Non-current
 

 
 

Payable from acquisition of property, plant and equipment (i)
521

 
1,042

Other payables
306

 
385

 
827

 
1,427

Current
 

 
 

Trade payables
82,824

 
77,325

Advances from customers
6,722

 
7,758

Amounts due to related parties (Note 31)
628

 
1,152

Taxes payable
6,462

 
4,685

Other payables
1,787

 
1,238

 
98,423

 
92,158

Total trade and other payables
99,250

 
93,585

 
(i)
These trades payable are mainly collateralized by property, plant and equipment of the Group.