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OSA Valve Services Pte Ltd
 PT SWTS Indonesia
MARC (Thailand) Co. Ltd
 GuangTong Machinery Engineering Co.
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Licensed Electrical Worker (L.E.W.) or Professional Engineer (P.E.) Services to Energy Market Authority (EMA) requirement.


LICENSING OF ELECTRICAL INSTALLATION
- Commercial and Industrial Plants
• New Project
• Existing Low Voltage System
• Existing High Voltage System up to 66kV


PROFESSIONAL ENGINEER CONSULTING SERVICE
• Endorsement of Reports
• Consultancy
• Design
• High Voltage Testing
• Switching up to 66kV
• Inspection
• Breakdown Attendance
• Servicing
• Repair
• Advisory
- Maintenance
- Modification
- Refurbishment