Company

Company

Since the establishment of our company in 1940, as an organization founded on the principles of good faith, we have always focused on quality to realize customer satisfaction. Standing on the side of customers who require particularly high-accuracy products, we are ready to meet their diversified needs at home and abroad.
By further improving our unique technology cultivated over many years, we are determined to devote ourselves across the board to the delivery of high-quality products and to gain customers’ confidence in us.

Representative director Yoshiyuki Iwamoto

Kongo Special Nail Mfg. Co., Ltd.

Mission・Vision・Value

Mission

“Delivering the Best Products with Trusted Quality”
We provide the most suitable products to meet our customers’ needs through sincere craftsmanship and reliable technical expertise, supporting the foundation of industry and contributing to the realization of a sustainable society.

Vision

Bridging the World and Local Communities with Trusted Quality and Craftsmanship.
As a special nails manufacturer, we not only support our customers’ manufacturing sites but also engage in corporate activities in harmony with local communities and the global environment, striving to play a vital role in building an industry we can proudly pass on to the next generation.

Value

1. Trusted Quality and Responsiveness to Customer Needs
We earn our customers’ trust through rigorous quality control and by responding promptly, sincerely, and in accordance with their requirements.
2. Proactive Proposals and Flexibility in Response
As specialists in custom nails, we provide solutions tailored to customer needs and respond flexibly to challenges, including prototyping and design modifications.
3. Responsibility to Society and the Environment
We place coexistence with local communities, environmental consideration, and sustainable manufacturing at the core of our corporate activities.

History

Since its founding in 1940, Kongō Special Nail Manufacturing has remained committed to manufacturing products with care and in close partnership with our customers.

1940
Kikutaro Iwamoto
Founder, and appointed as First President
1941
Reorganized Iwamoto Seibyosho into a general partnership company.
1944
Changed the name of the general partnership company into Kongo Special Nail Mfg.
1945
Established Iwamoto Seibyosho (wire rolling department) in Uwahara-cho, Kawachinagano-city, Osaka Pref., Japan.
1958
Developed a method of inspecting nails in-house and started a full-fledged export of high-precision, high-quality nails for mechanical nailing.
1960
Changed Kongo Special Nail Mfg. partnership company into Kongo Special Nail Mfg. Co., Ltd., and at the same time, amalgamated with Iwamoto Seibyosho (wire rolling department) to start integrated production from wire rolling to manufacturing nails.
1963
Received export trade certification from the Ministry of International Trade and Industry (the current Ministry of Economy, Trade and Industry).
1965
Zenichiro Iwamoto
Appointed as Second President
1978
Katsumi Iwamoto
Appointed as Third President
1983
Started exporting air pins for steel sheets in collaboration with Aerosmith AG, Switzerland.
1995
Had our air pins for steel plates certified as pins for steel construction housing in the U.S.
1999
Developed super stainless-steel pins for steel plates.
2000
Received certification as a Kozai Club Standard Products Manufacturing Factory for the manufacturing of steel screw nails for steel construction housing.
2002
Abolished the wire rolling department, and specialized in manufacturing special nails including non-ferrous nails.
2004
Yoshiyuki Iwamoto
Appointed as Fourth President
2010
Acquired the certification of ISO9001.
2019
Implemented our proprietary dimensional inspection equipment.
2024
Our shoe nails earned high recognition in the U.S. market and were adopted by major American shoe manufacturers.

Corporate profile

Company name
Kongo Special Nail Mfg. Co., Ltd.
Representative
Representative director Yoshiyuki Iwamoto
Company address
145 Mukaino-cho, Kawachinagano-city, Osaka Pref. 586-0013, Japan
TEL:0721-53-1451
FAX:0721-54-1619
Establishment
August 1940
Capital
30 million yen
Business sectors
Manufacturing and sales of special nails (for domestic and overseas markets)
Main banks
Tondabayashi branch, Resona bank; Kawachinagano branch, Mitsuisumitomo bank

Access

Address
145 Mukaino-cho, Kawachinagano-city, Osaka, Japan
TEL:0721-53-1451
Train
A 10-minute walk north of Kawachinagano Station, Nankai Koya Line.
A 10-minute walk north of Kawachinagano Station, Kintetsu Nagano Line