BUSINESSMANUFACTURING ── VALUE UP

Leather Manufacturing

From a neighborhood workshop to the world's brands. We succeeded a leather manufacturing workshop founded in 1966,
combining 60 years of craftsmanship with B supply's sales capability and digital infrastructure.

In 1966, a leather workshop was born in Tokyo's old downtown.

For 60 years since, the craftsmen's hands have never stopped moving.

The skill honed by those hands, the passion held within them—

We carry them forward into the next era.

1966

Founded

Founded in Sumida-ku, Tokyo. Began contract manufacturing of leather goods.

1966–2026

Alongside Top Brands

For 60 years, continuously manufacturing leather goods (bags, wallets, and more) for top brands.

2026

B supply Succeeds the Business

B supply Inc. succeeds the business, combining 60 years of craftsmanship with sales capability and digital infrastructure.

For 60 years, we have been continuously chosen by top brands without interruption.
All products are manufactured domestically in Japan.

THE ATELIER

Sumida, Tokyo.
A leather workshop on a quiet lane.

THE HANDWORK

Cut. Sew. Polish.
Quality is held in every stitch.

SINCE 1966

60 years without seeking recognition.
Building nothing but quality.

0YearsHistory Since Founding

0Years+Average Craftsman Experience

0%Made in Japan

0Brands+Brand Partners

03SIX REASONS

── LEATHER MANUFACTURING OEM ──
Six Reasons We Are Chosen, Again and Again

Versatility Across Brands

Centered on leather bags and small leather goods, we have built long-term partnerships with more than 15 leading brands in Japan and abroad.

Deep Understanding of Materials

We work with a wide range of materials, including cowhide (calf, nume, embossed), sheepskin, goatskin, deerskin, crocodile, python, horsehide (cordovan), pigskin, and exotic leathers.

Fully Integrated Domestic Production

All products are manufactured in Japan, with zero overseas production. Every process, from cutting to finishing, is carried out in-house at our domestic workshop.

Consistent Quality Standards

We enforce uncompromising quality control on every single piece, maintaining a consistent standard of quality.

Reliable Craftsmanship from Skilled Artisans

Manufacturing is handled by craftsmen with years of domestic production experience, who bring their long-honed skill and sensibility to reliable craftsmanship.

Responsiveness That Sustains Long-Term Relationships

The same craftsman team and a dedicated sales representative provide continuous support, sustaining long-term relationships through attentive customer service.

04EQUIPMENT

Manufacturing Equipment Supporting Master Craftsmanship

All manufacturing processes are completed domestically at our Sumida-ku workshop. With a multi-skilled team of highly capable craftsmen handling everything from cutting and sewing to finishing, we can meet complex specifications and highly demanding designs.