High-quality, cost-effective product solutions.

Door Frame Assemblies

Lighter and stronger.

Katayama designs and manufactures door frame components that provide top-tier structural integrity, weather resistance, and aesthetic appeal, all tailored to meet the exacting demands of automotive OEMs.

Trim Molding and Extrusion Applications

Superior aesthetic, performance and durability.

Katayama's advanced manufacturing capabilities, supported by automation and rigorous quality control, enable the production of high-quality trim molding and extrusion products, including window, door and roof moldings made from thermoplastics and stainless steels.

Tier 1 Product Solutions

Our products provide exceptional structural integrity and weather resistance, ensuring long-lasting performance. As a leading supplier of door frame assemblies, extrusion, and trim molding applications, we utilize advanced automation and in-house expertise to deliver high-quality solutions for the automotive industry.

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Door Frame Applications

Glass Guide Channels

We leverage advanced manufacturing techniques, including roll forming and automated welding of supplementary brackets and fasteners, to produce glass guide channels that offer exceptional alignment and quality. Our expertise extends from design to engineering, creating tailored solutions that meet the exacting demands of automotive manufacturers, ensuring seamless integration with the vehicle's glass system for an unparalleled finish.

Door Frame Applications

Lower Sash Complete Assemblies

Our lower sash assemblies are manufactured with a focus on strength and superior fit, employing cutting-edge robotic welding and metal finishing processes. We are trusted by top automotive OEMs for delivering assemblies that meet exacting specifications, contributing to enhanced vehicle performance and safety.

Extrusion & Trim Molding Applications

Seat Rail Covers

Made to conceal and safeguards the seat adjustment rails. Our seat rail covers provide maximum protection, aesthetic and functionality.

Extrusion & Trim Molding Applications

Beltline Moldings

Our beltline trim moldings not only minimizes noise intrusion and defends against external elements, but also provides your design study several trim options such as chrome or high gloss black. With materials like thermoplastics and chrome, our customized molding seamlessly fits into vehicles, ensuring quality, durability, and a commitment to enhance your vehicle's style.

Extrusion & Trim Molding Applications

Weatherstrip Inners

Manufactured to meet stringent appearance and dimensional specifications. Using a cutting-edge multi-resin extrusion process, we ensure impeccable appearance and optimal functionality. Utilizing our 3-dimensional bending technique for precise conformity to your vehicle's contours.

Extrusion & Trim Molding Applications

Windshield Moldings

Superior protection and reduced wind noise. As a fundamental barrier against the elements, our Windshield Moldings prevent water ingress, proving indispensable in adverse weather.

Extrusion & Trim Molding Applications

Roof Moldings

Engineered with precision, our moldings, made from versatile TPE materials, provide flexibility and durability, undergoing rigorous testing to exceed customer specifications.

Door Frame Applications

Upper Sash Complete Assemblies

We supply an extensive range of leading automotive OEMs with a variety of sash assemblies. Crafted to meet the highest fit and finish standards, our door sash assemblies provide lighter and stronger vehicle door frames. Advanced robotic welding and metal finishing applications ensure adherence to stringent requirements.

Extrusion & Trim Molding Applications

Sash Moldings

The highest quality of exterior decorative trim for door windows. Crafted in chrome and gloss black finishes for a sleek look, enhancing vehicle aesthetics. Our precision and quality ensures that each molding enhances the overall design while providing a distinctive touch.

Building lasting partnerships through
a commitment to quality, delivery and cost excellence.

Quality

Katayama ensures the highest standards of precision and craftsmanship, consistently delivering products that meet exact specifications.

Delivery

We are committed to reliable, on-time delivery, ensuring that every project stays on track and meets production schedules.

Cost

Our focus on efficiency and innovation allows us to provide competitive, cost-effective solutions without compromising on quality.