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

K&J Group Logo

K&J Group GmbH

Romanshorn (CH)New on Amplifa

2025Founded
RomanshornLocation

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
  1. 01

    Inspection planning

  2. 02

    Supplier monitoring and manufacturing checks

  3. 03

    Non-destructive testing (VT, PT, MT, UT, RT)

  4. 04

    Acceptance tests (FAT/site acceptance)

  5. 05

    Document review and reports

  6. 06

    NCR management and 8D support

Components and Inspection Subjects

NDT

Non-destructive testing (VT, PT, MT, UT, RT)

Inspection of cast parts, forged parts, welded structures, and pressure components without destroying the material.

Guss

Cast Parts

Inspection and surface assessment of cast parts, including NCR management.

Stahl

Forged Parts and Welded Structures

Technical inspection and acceptance of safety-relevant components from forging and welding manufacturing.

OFT

Coated Components / Surface Technology

Evaluation of coating quality, surface condition, and documentation.

Location

Romanshorn

CH

Headquarters

Industries

Mechanical EngineeringEnergy & Power PlantsAviation & AerospaceRail Vehicles & Drive TechnologyCast and Forged PartsCoating & Surface TechnologyPlant & Special Machine ConstructionInternational Supply Chains

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
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 assuranceNon-destructive testing (NDT/NDT: VT, PT, MT, UT, RT)Supplier monitoringExpeditingAudits/Supplier auditsFactory acceptance tests/FATIncoming goods inspectionSupplier evaluationManufacturing checks/Production monitoringDocument review/Document reviewNCR management8D supportInspection planningDeviation managementTechnical project supportMilestone inspectionTechnical reports

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.

EvidenceRomanshorn
ISO 9001
EN 9100
ISO 17025
ISO 9712 / EN 4179 (Personnel Qualification)

History

  1. 2025

    Founding of K&J Group GmbH; Tobias Jansen has been managing director since January 2025.

  2. 2025

    March 2025: Co-founder at Kari & Jansen (according to LinkedIn).

  3. 2025

    August 2025: Founder of Tobias Jansen - eMobility (according to LinkedIn).

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