Trim molding & extrusion products

katayama kogyo manufacturing factory workers circa 1950s
Sash Moldings

Katayama sash moldings provide precise fit and finish for door windows, available in chrome and gloss black finishes. Each component meets strict dimensional and surface quality standards.​

Weatherstrip Inners

Our weatherstrip inners are manufactured using a multi-resin extrusion process, ensuring consistent appearance and reliable sealing. 3D bending techniques allow for precise conformity to complex vehicle contours.​

Beltline Moldings

Beltline moldings minimize noise intrusion and protect against environmental elements. They offer multiple trim options, including chrome and high-gloss black. Constructed from durable thermoplastics and chrome, these moldings are engineered for seamless integration and long-term performance.​

Roof Moldings

Constructed from flexible TPE materials, our roof moldings offer durability, weather resistance, and a stable fit. Each part undergoes rigorous validation testing to meet or exceed OEM performance specifications.​

Windshield Moldings

Our windshield moldings provide a critical seal against water ingress and contribute to reduced wind noise. Engineered for dimensional stability and environmental durability, they are essential for maintaining vehicle cabin integrity.​

Seat Rail Covers

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

View more
Products & capabilities
Solutions built around your needs
Get connected
Our commitment

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

We combine in-house expertise with cutting-edge automation to meet the highest automotive standards.

Highest standards of quality

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

Reliable, on-time delivery

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

Cost-effective solutions

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