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Oy Mapromec Ab
Finland
CNC Machine Tools: Mills, lathes, and EDM machines
CNC Machining: Precision milling, turning, and multi-axis machining
Heat Treatment & Metallurgical Processing: Annealing, quenching, and tempering to alter material properties
Metrology & Dimensional Inspection: CMM, 3D scanning, and laser tracking
Non-Destructive Testing (NDT): X-ray, CT-scanning, and ultrasonic
Precision Grinding & Honing: Fine abrasive finishing for tight tolerances and surface quality

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Oy Mapromec Ab is a Finnish precision contract manufacturer founded in 1994 and based in Mustasaari, Finland. The company specializes in manufacturing technically demanding, ultra-precise metal components primarily used in large diesel and gas engines for power plants, marine vessels, and defense applications.

Mapromec operates a highly automated manufacturing facility equipped with roughly 40 multi-function CNC machines, automated robot cells, and precision finishing lines, capable of maintaining dimensional tolerances to thousandths of a millimeter. The company holds major international and defense certifications:

  • ISO 9001 Quality Management Certification (audited by Bureau Veritas)
  • ISO 14001 Environmental Management Certification
  • AQAP 2110 NATO Quality Assurance Certification

Offer

Oy Mapromec Ab provides specialized CNC machining, thermal treatment, and super-finishing services:

  • CNC Turning, Drilling & Milling: Multi-tasking CNC lathes and machining centers processing parts weighing between 1 kg and 250 kg, diameters up to 400 mm, and lengths up to 1500 mm.
  • Hard Turning & Honing: Automated CNC honing and hard turning processes to achieve extreme cylindrical geometry and tight tolerances.
  • Precision Grinding & Lapping: Surface grinding and high-quality super surface treatments.
  • Heat Treating: In-house thermal treatment for hardening and material optimization.
  • Core Components: Piston pins for marine and power plant engines, fuel pump rollers, valve lifters, and heavy-duty bearing components.
  • Quality Inspection: 3D Coordinate Measuring Machines (CMM) and non-destructive testing (NDT) inspection.
  • Lean Assembly & Logistics: Sub-assembly services and logistics handling.

Tags

cnc machining
cnc milling
precision turning
cylindrical grinding
honing
piston pins
Industrial Specializations: CNC Machine Tools: Mills, lathes, and EDM machines, CNC Machining: Precision milling, turning, and multi-axis machining, Heat Treatment & Metallurgical Processing: Annealing, quenching, and tempering to alter material properties, Metrology & Dimensional Inspection: CMM, 3D scanning, and laser tracking, Non-Destructive Testing (NDT): X-ray, CT-scanning, and ultrasonic, and Precision Grinding & Honing: Fine abrasive finishing for tight tolerances and surface quality
Headquarter/main address: Teollisuustie 10
Mustasaari
Pohjanmaa 65610
Finland
Get Directions
https://www.mapromec.fi
Business Type: Custom Manufacturer
Ownership: Private
Turnover: €10M - €50M
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