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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