Crane inspection service, PorJor1, PorJor2
Issuance of legally certified reports by mechanical engineers, officially approved by government authorities.
Inspect the crane, inspect the crane, Por Jor 1, Por Jor 2, register a crane inspector
Crane inspection services ensure that cranes are in safe working condition, complying with legal requirements. We also conduct load tests with professional mechanical engineers following international standards and ISO 9001:2015 quality certification. Our services are available in all 77 provinces across Thailand.
We are officially licensed as a legal entity that is a testing service provider for machinery, cranes and boilers according to the Ministerial Regulation 2021, Section 121, Machinery Testing License Number 0601-03-2565-0002 and Crane Testing License Number 0602-03-2565-0002.
“Crane” means a machine used for lifting objects vertically and moving them while suspended in a horizontal direction. It also includes hoisting machines used for vertical lifting.

Our services are provided by a team of expert engineers equipped with state-of-the-art tools that meet international standards, enabling customers to plan maintenance effectively and reduce costs.

Crane verification service
More choices for your Business
Porjor 1 check
Stationary crane
Porjor 2 check
Mobile Crane
Machine check
All type Machines
Advantage information
What about Porjor.1, Porjor.2 ?
Someone may be wondering about Por jor 1, Por jor 2? Stand for what? How related laws or standards? Today we will let you to know about crane. Also known as Por jor 1 Por jor 2

Crane verification procedure
1. Crane structure check Main crane structure, welding path, Bolt and nut loosening
2. Crane power system check Lubrication system, fuel system, cooling system, Powertrain and brake system, motor and power control.
3. Crane movement check Limit switches and lift control operating system.
4. Roller and wire rope check Wire rope diameter breakdown
5. Crane Brightness and sound alarm system the clear audible alarm system.
6. Load test by actual weight for safety lifting test
Standard Equipments
The equipment we use in our work is certified for calibration standards.
ISO 17025
PM REPORT | CALIBRATION |
---|---|
Digital hanging scales | |
Laser Range Meter | |
Digital Vernier | |
Digital Amp Meter | |
Sling groove measure | – |
Crane cleaning kit | – |
Metal Tape Measure | – |
Professional engineering team with Modern Tools






List of Preventive Maintenance (PM)
Scope of support
SERVICES | CLEAN | CHECK |
---|---|---|
Check main control board, remote control, inside and outside cleaning. | ||
Check and clean the dirt in the wire rope groove with lubricant. | ||
Lubricating hook to be able to easily turn around without friction and spring safety lat. | ||
Check and tighten the important devices such as limit switches and other mounting points. | ||
Clean the light/sound signal. Check the rotating light is in normal condition? | ||
Check the power line. Also, keep clean and tidy. | ||
Inspect crane structure/drop lubricant at critical points. |
PM REPORTING | THAI | ENGLISH |
---|---|---|
Issue PM report with signed approve by mechanical engineer. | NO | |
In green check mark as above chart , that mean our scope of work without additional cost. In different may be certain some conditions. Customers can direct contact our staff before take a services.

Crane Maintenance
- Replace Galvanize wire rope
- Debugging
- Replace broken equipment
- Lifting equipment maintenance
Approved for Certification
Official license of a legal entity authorized to provide inspection and certification services for machinery, cranes, boilers.

Council of Engineers
Professional Engineer, Legal Entity Type, from the Engineering Council
Department of Welfare
Licensed legal entity authorized for machinery, crane, and boiler inspection and certification.