Seinan Works Co., Ltd.

A metalworking company specialising in high-precision machining

Seinan Works traces its origins to nut and screw manufacturing. It has developed by leveraging its strength in high-precision machining. Through collaboration with diverse material suppliers, it handles everything from sourcing various metal materials such as iron and titanium to their processing. Beyond machining, it offers integrated processing encompassing pressing, welding, and surface treatment. The company meets a wide range of needs, from prototypes to finished products including assembly, supplying across diverse sectors such as automotive, electrical heating equipment, marine vessels, and construction machinery.

Providing processing methods and materials to meet customer needs

Seinan Works' defining characteristic is its ability to optimise processing methods and materials according to customer requirements. Possessing comprehensive technical capabilities in metalworking, the company has established a production system capable of handling the entire range of processing steps, from cutting and welding to pressing, bending, and assembly. Furthermore, leveraging its network with numerous material suppliers, it not only facilitates the procurement of diverse materials such as iron, copper, stainless steel, aluminium, brass, titanium, nickel, and gunmetal, but also possesses the capability to develop materials specifically for Seinan Works from scratch. Drawing on extensive experience and proprietary know-how, the company tackles machining of difficult-to-cut materials, including stainless steel, heat-resistant alloys, carbon steel, titanium, and titanium alloys – materials generally considered challenging to process and often avoided by competitors.
Furthermore, the company spares no expense in equipment investment to ensure the stable supply of high-quality products. It has introduced the latest 3D measuring instruments and image measuring equipment, thoroughly implementing traceability for quality. By establishing a production system that guarantees product precision, it is committed to highly reliable manufacturing.

Strengths

Seinan Works creates highly distinctive original products, such as metal objects utilising waste materials, as part of its sustainable initiatives that impart new value to discarded resources. By practising manufacturing that avoids resource wastage, it contributes towards SDG goals including “Responsible Consumption and Production (Goal 12)” and “Climate Action (Goal 13)”. This embodies Seinan Works' practical actions, balancing environmental consideration with technical expertise.

Seinan Works' original QR code shield embodies the pinnacle of technical expertise in realising complex machining.
As QR codes become unreadable with even the slightest misalignment, achieving high precision through machining presents significant challenges. However, the company's machining technology and quality control have successfully brought this product to market. The area beneath the QR code can also accommodate logos or markings, making it a prized item for customers utilising digital content.

Message from President

Our company was founded in 1955 and has evolved over 70 years from nut and screw machining to precision components and the machining of difficult-to-cut materials. Guided by our principles of ‘Never give up, never betray, always be honest,’ we pass on the skills of our master craftsmen to younger generations. Through the creation of high-quality products and a supportive workplace, we strive to contribute to our customers' growth and to society.

Major Equipment

• NC lathesNL2500, etc.
  DMG MORI, etc.7 units
• CNC lathesLB15, etc.
  OKUMA, etc.7 units
• CNC automatic lathesBND-51SY2, etc.
  Citizen Machinery, etc.10 units
• Machining centresNVX5100, etc.
  DMG MORI, etc.5 units
• Polygon Machining CentrePC-200, etc.
  NITTO POLYGON, etc.3 units

Company Overview

Company Name

Seinan Works Co., Ltd.

Address

2-2-22 Kitakai, Nishinari Ward, Osaka City

Company President

CEO Hiroyuki Shinoda

Founded / Established

1955年4月／2015年11月

Number of Employees

22　

Phone

06-6567-2776

Fax

06-6567-2778

E-mail

seinanworks@gmail.com

Official Website

https://seinanworks.com/

Capital

1,000K JPY