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WELCOME TO HAI YONG ENGINEERING PTE LTD
SPECIALIST CONTRACTOR IN PLUMBING, SANITARY & GAS SYSTEM
WELCOME TO HAI YONG ENGINEERING PTE LTD
SPECIALIST CONTRACTOR IN PLUMBING, SANITARY & GAS SYSTEM
SERVICES WE PROVIDE...
PSG SYSTEM
NEW INSTALLATION
PSG SERVICES
MAINTENANCE
TRAINING CENTRE
