Our Subsidiaries
OSA Valve Services Pte Ltd
 PT SWTS Indonesia
MARC (Thailand) Co. Ltd
 GuangTong Machinery Engineering Co.
Our Knowledge Base



 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 

We provide:-
• Installation • Inspection • Maintenance • Testing • Upgrading and Modernization

services for all makes of equipment


Equipment servicing includes the following:
• Power Circuit Breaker • Power and Distribution Transformer • Current Transformer
• Cable • Contactor • Bus Duct • Uninterrupted Power Supply (UPS)
• Battery Charger and Bank
• Protective Relays including Frequency Relay and Complex Distance Protective Relay
• Switchgear • Motor Control Centre • Transducer • Generator • Substation Equipment
• Automatic Transfer Switch • Programmable Logic Controllers (PLC) • Motor
• AC & DC Variable Speed Drives System