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Precision Machining, Rigorous Testing & Certified Inspections

ZESAH helps you secure globally recognized QMS certifications and equips your workforce with industry-aligned training for long-term success.

Explore Our Capabilities

Precision Machining, Rigorous Testing & Certified Inspections

ZESAH helps you secure globally recognized QMS certifications and equips your workforce with industry-aligned training for long-term success.

Explore Our Capabilities

About Our Machining, Testing & Inspection Services

At ZESAH, we bring engineering precision and industry-grade compliance into every component we machine and inspect. From complex valve bodies to high-pressure systems, our expert team ensures every product is dimensionally accurate, tested under real-world conditions, and certified to global standards. Whether it's custom manufacturing, critical testing, or field-ready inspections, we support you at every stage of your equipment lifecycle.

2149092255
2149092255

At ZESAH, we bring engineering precision and industry-grade compliance into every component we machine and inspect. From complex valve bodies to high-pressure systems, our expert team ensures every product is dimensionally accurate, tested under real-world conditions, and certified to global standards. Whether it's custom manufacturing, critical testing, or field-ready inspections, we support you at every stage of your equipment lifecycle.

What We Offer

Inspection Services

Visual Inspection (VT)
Visual Inspection (VT)
NDT
NDT (UT, MPT, LPT, RT)
PMI
PMI (Positive Material Identification)
Dimensional Checks
Dimensional Checks
Welding & Joint Inspections
Welding & Joint Inspections
Document Development
Full Documentation & Certification

Machining Services

CNC Turning & Milling
CNC Turning & Milling
Threading, Tapping & Boring
Threading, Tapping & Boring
Surface Grinding
Surface Grinding
Complex Geometries & Tight Tolerances
Complex Geometries & Tight Tolerances

Testing Services

High-Pressure Hydro Testing
High-Pressure Hydro Testing
Leak Testing
Leak Testing (Air/Nitrogen/Water)
Load & Pressure Validation
Load & Pressure Validation
Dimensional & Tolerance Verification (1)
Dimensional & Tolerance Verification

 How We Work (Our Process)

01 Review of Drawings / Equipment Scope

02 Material Selection & Machining Plan

03 CNC Machining & In-Process Quality Checks

How we work timeline-scaled 3

04 Final Product Testing (Hydro, Air, Load)

05 Visual + NDT Inspection (if applicable)

06 Certification & Reporting with Images

01 Client Requirement Analysis

02 Conceptual Design

03 CAD Modeling & Simulation

04 Detailed Engineering & Documentation

05 Prototype Development (if required)

06 Final Review & Delivery

Our Technical Strengths

Advanced CNCs & calibrated inspection tools

Certified inspectors (API, ISO, ASNT)

In-house hydro test setups up to [X] PSI

Capable of handling exotic materials (Duplex, Inconel, etc.)

Digital reporting & traceable documentation

Mobile inspection units for on-site support

Compliance with ASME, API, ANSI, ISO standards

Our Technical Strengths

Advanced CNCs & calibrated inspection tools

Advanced CNCs & calibrated inspection tools

Certified inspectors (API, ISO, ASNT)

Certified inspectors (API, ISO, ASNT)

In-house hydro test setups up to [X] PSI

In-house hydro test setups up to [X] PSI

Capable of handling exotic materials (Duplex, Inconel, etc.)

Capable of handling exotic materials (Duplex, Inconel, etc.)

Digital reporting & traceable documentation

Digital reporting & traceable documentation

Mobile inspection units for on-site support

Mobile inspection units for on-site support

Compliance with ASME, API, ANSI, ISO standards

Compliance with ASME, API, ANSI, ISO standards

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?
trustworthiness (3)
High accuracy machining with repeatability
review (1)
Field-ready inspection teams for urgent needs
technology (1)
Seamless integration of machining, testing, and inspection
creativity (1)
Rapid turnaround without compromising quality
technology (1)
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

Contact Us
Contact Form Demo
FAQ
What machining capacities do you support?
We handle both small and large-volume projects with precision and consistency, including complex geometries.
Can you offer inspection services on-site?
Yes, we have mobile inspection units and certified inspectors for field service.
Do you provide inspection and test certificates?
Absolutely. Every job includes certified documentation aligned with industry standards.
Are third-party witnessed tests available?
Yes, we accommodate third-party inspection agencies upon request.
Do you work with exotic or special alloys?
Yes, we routinely handle Inconel, Duplex Stainless Steel, Titanium, and more.
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