Technical quality assurance, non-destructive testing and supplier monitoring for demanding industrial components.

K&J Group GmbH
Romanshorn (CH)New on Amplifa
About K&J Group GmbH
K&J Group GmbH, based in Romanshorn, supports industrial companies with quality assurance, non-destructive testing (NDT), supplier monitoring, and technical project support. The scope of services includes audits and supplier audits, expediting, factory acceptance tests (FAT), incoming goods inspection, supplier evaluation, manufacturing checks and production monitoring, document review, NCR management, 8D support, inspection planning, deviation management, milestone inspections, and technical reports. The focus is on demanding components such as cast parts, forged parts, welded structures, and coated components in international supply chains. Testing procedures include VT, PT, MT, UT, and RT, as well as surface assessments. We serve industries such as mechanical engineering, energy and power plants, aviation and aerospace, rail vehicles and drive technology, cast and forged parts, coating and surface technology, as well as plant and special machine construction. Services are provided globally, independently, directly at the supplier's location, in the plant, or on-site at the customer's premises.
- Site
- Romanshorn, Switzerland
- Processes
- Non-destructive testing (NDT/NDT), VT (Visual Inspection), PT (Penetrant Testing), MT (Magnetic Particle Testing), UT (Ultrasonic Testing), RT (Radiographic Testing), Surface assessment, Supplier monitoring / Manufacturing checks / Acceptance tests (FAT)
- Materials
- Cast parts, Forged parts, Welded structures, Non-destructive testing (VT, PT, MT, UT, RT), Cast Parts, Forged Parts and Welded Structures, Coated Components / Surface Technology
- Certificates
- ISO 9001, EN 9100, ISO 17025, ISO 9712 / EN 4179 (Personnel Qualification)
- Founded
- 2025 (acco
- Industries
- Mechanical Engineering, Energy & Power Plants, Aviation & Aerospace, Rail Vehicles & Drive Technology, Cast and Forged Parts, Coating & Surface Technology
- 01
Inspection planning
- 02
Supplier monitoring and manufacturing checks
- 03
Non-destructive testing (VT, PT, MT, UT, RT)
- 04
Acceptance tests (FAT/site acceptance)
- 05
Document review and reports
- 06
NCR management and 8D support
Components and Inspection Subjects
Non-destructive testing (VT, PT, MT, UT, RT)
Inspection of cast parts, forged parts, welded structures, and pressure components without destroying the material.
Cast Parts
Inspection and surface assessment of cast parts, including NCR management.
Forged Parts and Welded Structures
Technical inspection and acceptance of safety-relevant components from forging and welding manufacturing.
Coated Components / Surface Technology
Evaluation of coating quality, surface condition, and documentation.
Location
Romanshorn
CHHeadquarters
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Non-destructive testing (NDT/NDT)Inspection | – | – | – | – | – |
| VT (Visual Inspection)Inspection | – | – | – | – | – |
| PT (Penetrant Testing)Inspection | – | – | – | – | – |
| MT (Magnetic Particle Testing)Inspection | – | – | – | – | – |
| UT (Ultrasonic Testing)Inspection | – | – | – | – | – |
| RT (Radiographic Testing)Inspection | – | – | – | – | – |
| Surface assessmentSurface | – | – | – | – | Cast and forged parts |
| Supplier monitoring / Manufacturing checks / Acceptance tests (FAT)Inspection | – | – | – | – | – |
| Incoming goods inspectionInspection | – | – | – | – | – |
| Supplier audits / ExpeditingInspection | – | – | – | – | – |
| Coating quality / Process evaluation surface technologySurface | – | – | – | – | coated components |
Additional services
Quality and Standards
Quality inspection is performed according to standardized NDT procedures (VT, PT, MT, UT, RT) in relation to industry requirements such as EN 9100, EN 4179, ISO 9712, and NADCAP; specific in-house certificates are not provided.
| Evidence | Romanshorn |
|---|---|
| ISO 9001 | |
| EN 9100 | |
| ISO 17025 | |
| ISO 9712 / EN 4179 (Personnel Qualification) |
History
- 2025
Founding of K&J Group GmbH; Tobias Jansen has been managing director since January 2025.
- 2025
March 2025: Co-founder at Kari & Jansen (according to LinkedIn).
- 2025
August 2025: Founder of Tobias Jansen - eMobility (according to LinkedIn).