Door and Window Assemblies

katayama kogyo manufacturing factory workers circa 1950s

Door and Window Assemblies

Production of integrated door and window frame systems with superior fit and finish.​

Katayama manufactures complete door and window frame assemblies that meet stringent OEM standards. Our manufacturing capabilities encompass:​

  • Advanced welding and joining techniques for seamless integration
  • Precision fabrication ensuring structural strength and alignment
  • Surface treatments for enhanced durability and aesthetics
  • Quality control processes to maintain consistency and reliability​
Polymer extrusion and over molding
Engineering Capabilities

Expertise in multi-material extrusion and over-molding for complex automotive components.​

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Metal Roll Forming
Engineering Capabilities

Design and development of high-strength metal components through precision roll forming.​

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Roll Forming
Manufacturing Capabilities

High-volume production for complex profiles using continuous roll forming. We support full-scale OEM programs with consistent quality and efficient tooling.

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Extrusion
Manufacturing Capabilities

Production of custom extruded profiles for automotive sealing and trim applications.​

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Products & capabilities
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