From concept to completion
Katayama delivers lightweight, high-strength components built for durability, precision, and seamless integration.
Structural Assemblies
Sash Assemblies
Trim & Moldings
Glass Run Channels
Weather Sealing Systems
Leveraging advanced techniques such as roll forming, extrusion, complex bending, and multi-material molding, we produce trim and structural systems that consistently meet and exceed the highest OEM standards.
Our focus on material engineering and weight reduction not only enhances vehicle performance but also contributes to fuel efficiency and reduced emissions.
Complete door frame assemblies
Engineered to deliver the highest light-weighting and structural strength. Our door frame systems integrate complex welded profiles and multi-material components.
Trim molding and extrusion applications
Manufactured with precision using advanced extrusion, dual-shot molding, and in-line quality control. These include window, door and roof moldings—designed for optimal fit, finish, and long-term durability.
