Kohsai

Basic Information

Stock Code
7878
Industry
Other Products
Category Detail
Apparel & Fashion Accessories
Prefecture
Yamanashi Prefecture
Establishment Year
April 1967
Listing Year
October 1995
Official Website
https://www.kohsai-qq.co.jp/
TSE Information
TSE Information
Yahoo! Finance
Yahoo! Finance
Other Companies
Taiyo Foundation Industry, Festiaria Holdings, Kyoryo Information Communications, Japan Color Materials Industrial Research Institute, Tomita Electric, Jaic, Nanshin, Crossfor, Hiraga, Estelle Holdings, Tsutsumi, Nepon, Yondoshi Holdings, Nagahori

Overview

Kohsai is a specialized manufacturer established in 1967 and headquartered in Kai City, Yamanashi Prefecture, engaged in the manufacturing and sales of precious metals and jewelry products, and is a leading domestic company in jewelry parts manufacturing.

Current Situation

Kohsai recorded net sales of approximately ¥3.9 billion and operating profit of approximately ¥149 million for the fiscal year ending January 2025, maintaining a stable business foundation. It has strengths in OEM supply for main jewelry and accessory parts manufacturing, transacting with numerous jewelry brands through production of precision parts such as clasps. Headquartered and with factories in Yamanashi Prefecture, it pursues regionally rooted management while being listed on the Nagoya Stock Exchange Main Market to enhance fundraising capabilities. With approximately 28 employees, despite its small scale, it differentiates through high technological capabilities and benefits from steady demand in the jewelry market. In recent years, it has advanced efficiency in manufacturing processes and quality improvements, along with flexible responses to fluctuations in domestic and international jewelry markets. It also engages to a certain extent in sustainability initiatives, focusing on quality assurance systems and reducing environmental impact. Moving forward, it aims for further growth through development of high-value-added products and cultivation of new OEM clients.

Trivia

Interesting Facts

  • Originated from Fukazawa Precious Metals Workshop founded in 1955.
  • Specializes in jewelry clasp manufacturing and holds a high domestic market share.
  • Listed on Nagoya Stock Exchange Main Market in 2024.
  • Established a unique position in the industry through precision processing technology with 28 employees.
  • Produces accessories utilizing local traditional craft techniques.
  • Long-term transactions with many brands through jewelry OEM supply.
  • Headquartered in Kai City, Yamanashi Prefecture, contributing to the local economy.
  • Focuses on import/export and processing sales of gemstones.
  • Actively promoting environmental considerations in manufacturing processes in recent years.
  • Listing approval documents widely referenced in the industry.

Hidden Connections

  • Serves as an important supplier for parts procurement for major domestic jewelry brands.
  • Collaborates with local traditional craft producers for product development.
  • Strong capital and business alliance with shareholder Estio Co., Ltd.
  • Company dually listed on Nagoya Stock Exchange Main Market and Tokyo Stock Exchange Standard.
  • Jewelry repair service business contributes to improved customer satisfaction.
  • Possesses network for accessing jewelry markets in multiple countries for overseas exports.
  • Receives various subsidies under Yamanashi Prefecture's SME promotion policies.
  • Frequently featured in Nikkei major news, attracting attention within the industry.

Future Outlook

Growth Drivers

  • Stable domestic demand in the jewelry market
  • Deepening of high-value-added parts manufacturing technology
  • Strengthening collaboration with regional craft techniques
  • Enhanced fundraising through Nagoya Main Market listing
  • Promotion of exports to overseas markets
  • Introduction of labor-saving and automation technologies in manufacturing

Strategic Goals

  • Achieve net sales of ¥5 billion
  • Realize overseas sales ratio of over 20%
  • Establish production system reducing environmental impact by 30%
  • Maintain top-class position in jewelry OEM supply market
  • Complete company-wide introduction of digital manufacturing technology
  • Strengthen employee skill succession and training system
  • Market expansion through acquisition of new customers
  • Promotion of sustainable corporate activities in collaboration with local communities

Business Segments

Jewelry Parts OEM Supply

Overview
OEM supply of precision parts for jewelry and accessories.
Competitiveness
High-precision processing technology and flexible custom response capabilities
Customers
  • Jewelry Brands
  • Apparel Manufacturers
  • Accessory Manufacturers
  • Jewelry Designers
  • Retail Traders
  • Exporters
  • Craft Producers
  • Fashion Brands
Products
  • Metal Clasps
  • Jewelry Parts
  • Accessory Fittings
  • Custom Parts
  • Decorative Metal Parts

Jewelry Material Manufacturing

Overview
Manufacturing and supply of metal products serving as materials for jewelry.
Competitiveness
Consistent quality and thorough delivery management
Customers
  • Jewelry Manufacturers
  • Metal Material Wholesalers
  • Processors
  • Craft Producers
  • OEM Manufacturers
Products
  • Pure Gold Materials
  • Silver Materials
  • Gold Plates
  • Alloy Materials

Jewelry Repair and Maintenance

Overview
Provision of services for jewelry repair and maintenance.
Competitiveness
Artisan skills and prompt response
Customers
  • Jewelry Retailers
  • End Users
  • Retail Chains
  • Contract Repair Services
Products
  • Size Adjustments
  • Stone Setting Repairs
  • Refurbishing Services
  • Cleaning

Fashion Accessory Parts Provision

Overview
Manufacturing and provision of decorative metal parts for clothing and fashion.
Competitiveness
Capability to accommodate diverse designs
Customers
  • Apparel Manufacturers
  • Fashion Brands
  • Accessory Factories
  • Retailers
Products
  • Decorative Buttons
  • Zipper Parts
  • Decorative Metal Parts
  • Accessory Components

Export/Import Support

Overview
Products and support services for domestic and international jewelry import/export.
Competitiveness
System well-versed in international transactions
Customers
  • Overseas Jewelry Wholesalers
  • Exporters
  • Overseas Brands
Products
  • Export Jewelry
  • Export Parts
  • Import Materials

Competitive Advantage

Strengths

  • High-precision metal processing technology
  • Specialization in OEM supply for jewelry
  • Long years of industry experience and trust
  • Solid financial foundation
  • Stable management rooted in the region
  • Flexible custom production capabilities
  • Diverse product lineup
  • High-quality control system
  • Prompt response despite small scale
  • Enhanced credibility through listing on Nagoya Stock Exchange Main Market

Competitive Advantages

  • Differentiation through advanced manufacturing technology for precision parts
  • Product lineup specialized for the jewelry industry
  • Stable production base rooted in Yamanashi Prefecture
  • Strong transaction relationships with diverse OEM clients
  • Improved fundraising via dual listing on Nagoya Main Market
  • One-stop service from manufacturing to repair
  • Production processes considerate of environmental impact reduction
  • Improved productivity through introduction of latest processing technologies
  • Prompt response to diversifying customer needs
  • Long-term trust built through prudent management

Threats

  • Risk of economic fluctuations in the jewelry market
  • Intensifying price competition with overseas manufacturers
  • Cost increases due to precious metal price fluctuations
  • Decline in demand from spread of alternative materials and technologies
  • Production impact from domestic labor shortages
  • Uncertainty in international trade environment
  • Export/import cost fluctuations due to exchange rate changes
  • Production cost increases from strengthened environmental regulations
  • Intensified market competition from new entrants
  • Decrease in trading partners due to client company financial difficulties
  • Decline in competitiveness from delays in technological innovation
  • Impact on production bases from natural disasters

Innovations

2024: Introduction of High-Precision Laser Cutting Technology

Overview
Introduced advanced laser cutting equipment in the manufacturing process to enhance precision in fine processing.
Impact
Successfully improved product quality and yield rates.

2023: Start of 3D Printing Utilization for Jewelry Parts

Overview
Incorporated 3D printing technology in prototyping stages to enable rapid design verification.
Impact
Promoted shortened development periods and diversified designs.

2022: Adoption of Low-Environmental-Impact Plating Technology

Overview
Applied new plating technology considerate of hazardous substance reduction to production lines.
Impact
Significantly reduced environmental impact of production processes.

2021: Update of Production Management System

Overview
Advanced visualization of manufacturing processes through IT to contribute to cost reductions.
Impact
Achieved inventory optimization and shortened lead times.

Sustainability

  • Promotion of environmental impact reduction in manufacturing processes
  • Active utilization and expansion of recycled materials
  • Investment and introduction of energy-saving equipment
  • Support for environmental education through collaboration with local communities
  • Improvement of working environment and strengthening of safety and health activities