Quality Manufacturing

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Quality-Driven Manufacturing from Concept to Production

At Zehrco-Giancola Composites and GMR Technology, quality is engineered into every phase of manufacturing.
From material selection and in-house compounding to molding, machining, painting, and final assembly, we maintain strict process controls across our thermoset and thermoplastic operations.

With nine facilities across Ohio, Pennsylvania, and Mississippi and over
170 molding presses ranging from 15 to 2200 tons, we support programs from small precision components to large structural parts exceeding 200 pounds.

Learn more about our About Us and explore our Capabilities.


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Core Manufacturing Capabilities

  • Injection Molding
  • Compression Molding
  • Transfer Molding
  • Thermoset Composite Molding
  • Thermoplastic Molding
  • Insert & Overmolding
  • CNC Machining
  • In-Mold & Wet Painting
  • Secondary Fixturing
  • Value-Added Assembly
  • Program Management
  • Engineering Support

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Certifications, Standards & Complianc

Zehrco-Giancola Composites is ISO 9001:2015 certified, demonstrating our commitment to structured quality management, traceability, and continuous improvement.

  • Incoming Material Verification
  • In-Process Inspection & Process Monitoring
  • Statistical Process Control (SPC)
  • Final Validation & Documentation
  • Continuous Improvement Programs

View our full Certifications and see our
Awards & Recognition.

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In-House Control & Vertical Integration

Unlike many contract molders, we maintain critical capabilities in-house to protect quality, reduce risk, and improve repeatability.


  • In-House BMC & SMC Compounding
  • Tool & Mold Maintenance
  • CNC Finishing
  • Secondary Operations
  • Insert & Hardware Integration
  • Surface Finishing & Painting
  • Engineering Validation
  • Production Scale Optimization
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A Culture of Continuous Improvement

Quality at Zehrco-Giancola extends beyond inspection — it is built into our operating philosophy.

  • Customer-First Accountability
  • Workplace Safety Commitment
  • Environmental Responsibility
  • Scrap & Waste Reduction
  • Process Optimization
  • Workforce Development & Training