Isidro Sid Calayag
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Organization / Workplace
HVACLocation
Makati PhilippinesOccupation
Mechanical EngineerIndustry
Real Estate/ Construction / Architecture
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sidcalayagAbout
A professional in HVAC Design and construction works for more than15 years, Cleanroom specialist, ISO 9001:2008 Certified Lead Auditor for more than 10 years