About Us RO Watermaker Land based RO Systems Technical Services Contact Us
 
         
           
 

Oman

Hallmark Technical Services
Email : sales@htswater.com
Mob: +968 97657585

PO Box 639, Barka Industrial Area,
Postal Code 320, Sultanate of Oman

 

 

United Arab Emirates

Hallmark Technical Services
Email : sales@htswater.com
Mob: +971 50 5774897

 

Singapore

RV Resources
Email : sales@htswater.com
Mob. +65 94888897

10, Anson Road, #50-17 international Plaza Singapore 079903