| Tender Corrigendum | Deadline has been changed from 22/11/2021 00:00:00 to 07/12/2021 00:00:00 AM Amendment No.04
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| Tender Corrigendum Publication | Company Web Site - Internet | 
| Tender Corrigendum Document | Can be download by Subscribers | 
| Tender Corrigendum | Deadline has been changed from 09/11/2021 00:00:00 to 22/11/2021 00:00:00 AM Amendment No.03
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| Tender Corrigendum Publication | Company Web Site - Internet | 
| Tender Corrigendum Document | Can be download by Subscribers | 
| Tender Corrigendum | Deadline has been changes from Oct 26 2021 12:00AM to Nov  9 2021 12:00AM Amendment No.01
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| Tender Corrigendum Publication | Company Web Site - Internet | 
| Tender Corrigendum Document | Can be download by Subscribers | 
| Tender Corrigendum | Clarification No. 01 | 
| Tender Corrigendum Publication | Company Web Site - Internet | 
| Tender Corrigendum Document | Can be download by Subscribers |