Who we are

We are T-ALL Inspection.As the largest inspection company in China's oil and gas sector, possessing global qualifications, our business extends to over 20 countries worldwide.

Our goal is not only to help clients prevent various accidents, but also to help them to deeply understand the great significance of energy assets risk management, enabling assets to create greater value, make the world safer, smarter, greener and better.

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Solutions

We provide quality and safety inspection solutions for a wide range of equipment and facilities.

Oil and Gas Asset Integrity Management Read more

Drilling, Completion, Production Equipment Read more

Casing and Tubing Read more

Oil and Gas Engineering Read more

Oil and Gas Pipeline Read more

Oil and Gas Station Read more

Gas Storage Facilities Read more

Measuring Instruments Read more

Safety Protective Equipment Read more

Wind power Equipment Read more

Our Services

With integrity management and inspection services as our core, We extends to provide a variety of specialized services.

Asset Integrity Management

Equipment integrity assessment techniques

Predictive Maintenance

Inspection

Non Destructive Testing

Tubing connection gas testing

New Energy Inspection

Metrology Calibration

Metrological Testing of Measuring Instruments

Security Equipment Testing

Anti-corrosion

Anti - corrosion Coating

Cathodic Protection

Corrosion Monitoring

External Corrosion Direct Assessment of Pipeline

Internal Corrosion Direct Assessment of Pipeline

Machining Services

Inspection and repair

Oilfield Machinery Machining Services

Casing and Tubing Sales and Machining Services

Pipeline & Process Services

Pipeline inspection

Pipeline Pigging Service

Integrated Service of Pipeline Operation and Maintenance

Nitrogen Service

N₂ & Helium Leak Test

Flange Management

Industrial Cleaning

Environmental Detection

LDAR (Leak Detection and Repair)

Water and Wastewater Testing

Air and Exhaust Gas Testing

Noise monitoring

Soil and Solid waste Testing

Ambient Air Monitoring

Water Quality Monitoring

Intelligent monitoring

Digitalization of Asset Integrity Management

Pipeline Intelligent Monitoring

Gas Leak Monitoring

Intelligent Online Monitoring of Equipment and Facilities

Scene Monitoring

Intelligent Detection Software Platform Development

Consulting & Training

Asset integrity management consulting

Measuring instrument management service

ECITB-Authorized Flange Management Training

Technical Qualification Certification Training for Tubular Thread Inspectors (Level I and Level II)

Training on Non-destructive Testing (MT, UT, FLT) for Tubular Goods

Carbon Peaking and Carbon Neutrality certification consulting

Carbon Asset Development and Trading

ESG Consulting

Product Inspection

Supervision Technical

Physical and chemical testing

Petroleum Products Testing

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News Center

2025/09/10

Safeguarding the Natural Gas Artery in South China! T-ALL Inspection and PetroChina Southern Pipeline Network Company Successfully Complete the Foam Eddy Current Internal Inspection of the Guanghui Trunk Line

2025/09/04

Fortify the Energy Defense Line! T-ALL Inspection Assists National Pipeline Network Central China Company in the Successful Completion of Internal Inspection for the Jingjing Pipeline

2025/08/26

T-ALL Inspection Deepens Cooperation in Chinese Market through Series of Technical Exchanges in Late August 2025

Our Laboratories

With several advanced and comprehensive laboratories around the world, we specialize in providing accurate and reliable inspection services for energy assets, committed to ensuring that every inspection result delivers tangible value to our clients.

On-site Laboratory in Kazakhstan

Metrology cabins/vehicles are available to ensure quick and efficient on-site services, tailored to clients' requirements.

On-site Laboratory in Chad

Providing Metrology cabins/vehicles, the Laboratory delivers prompt and efficient services on-site, tailored to client needs.

On-site Laboratory in Iraq

Offering Metrology cabins/vehicles, the Laboratory provides prompt and efficient services on-site, close to clients.

Chengdu Laboratory

With an area of 1,200㎡, the Laboratory focuses on both Metrology Inspection/calibration services and talent cultivation. Its qualifications and capabilities cover fields such as oil and gas, oil and gas storage and transportation, chemicals, pharmaceuticals, wind power, building and transportation, contributing to achieving unit uniformity and accurate and reliable measurement values in the metrology industry.

Luntai Metrology Laboratory

Spanning 1,500㎡, this Laboratory serves as the legal Metrology Inspection agency for Korla City. Its qualifications and capabilities encompass sectors like oil and gas, oil and gas storage and transportation, chemicals, pharmaceuticals, wind power, building and transportation. It primarily provides Metrology Inspection/calibration services for clients such as Tarim Oilfield and the Northwest Bureau, as well as local enterprises.

Suining, Sichuan Laboratory

Occupying 800㎡, the Laboratory possesses qualifications and capabilities across sectors including oil and gas, oil and gas storage and transportation, chemicals, pharmaceuticals, wind power, buon. It also holds verification and approval qualifications for special equipment such as safety ilding and transportativalves and gas cylinders, ensuring safe production and accurate measurements for your enterprises.