About Our Machining, Testing & Inspection Services
What We Offer
Inspection Services
Visual Inspection (VT)
NDT (UT, MPT, LPT, RT)
PMI (Positive Material Identification)
Dimensional Checks
Welding & Joint Inspections
Full Documentation & Certification
Machining Services
CNC Turning & Milling
Threading, Tapping & Boring
Surface Grinding
Complex Geometries & Tight Tolerances
Testing Services
High-Pressure Hydro Testing
Leak Testing (Air/Nitrogen/Water)
Load & Pressure Validation
Dimensional & Tolerance Verification
How We Work (Our Process)
Applications
Valve Bodies, Bonnets & Spools
Pressure Vessels, Tanks & Skids
Threaded API Connections
Flanges, Couplings & Welded Assemblies
Offshore Rigs & Subsea Components
Storage, Process Plants & Pipelines
Why ZESAH?
High accuracy machining with repeatability
Field-ready inspection teams for urgent needs
Seamless integration of machining, testing, and inspection
Rapid turnaround without compromising quality
Trusted by EPC contractors, manufacturers, and oilfield operators
Certifications & Compliance
ISO 9001:2015 Certified
NDT Level II & III Inspectors (ASNT)
ASME Section IX Welding Standards
API-compliant machining & testing practices
Calibrated equipment with traceability reports
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