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Latest update: 02/10/2019 11:46:00

Mitsuwa Hagane Co., Ltd.

We sell special steel materials, and manufacture and assemble machined parts.

Our company sells special steel to manufacturers of machined parts in Miyazaki Prefecture. In 2005 we started to receive orders for aircraft parts in the field of precision machining, and we have been steadily shipping our products. In 2011 we acquired JIS Q 9100 Quality Management System (Aerospace) certification. We provide high-quality products under quality management based on the manufacturing management techniques that we have learned through manufacturing aircraft parts. Our company possesses three portal machining center units, which are 2,500 mm wide and have tables that are 4,000 mm long. We can make use of these machines to process large, difficult-to-process materials with high accuracy. Our division in charge works on two shifts so we can also handle sudden requests for work.


Other presentation

[Company strength]
Our company acquired JIS Q 9100 quality management system (aerospace) certification in June 2011. We mastered our manufacturing and management techniques by manufacturing aircraft parts. All of our staff are working to satisfy customer requests regarding lead time, quality, and price with quality policies based on the techniques we have mastered. Our division in charge is organized as a customer rescue team and partially works on two shifts to meet sudden requests for work. This is how we have gained a high level of customer confidence and established satisfactory relationships of trust.

[Business description]
Our company is organized into two departments. Our materials department sells special materials, and our processing department manages precision machined part manufacturing and assembly. The materials department is used by manufacturers of machined parts mainly within our city, but we are a convenient dealer of materials, so we also have customers throughout Miyazaki Prefecture. The processing department receives various orders for processing from customers in the prefecture and beyond. We satisfy these orders by making the most of the wealth of experience we have acquired, our ingenious technical power, and our state-of-the-art machinery and equipment. This department provides stable products with high quality and accuracy by considering the role and importance of each product. Since January 2005 our company has been receiving orders for aircraft parts and steadily shipping our products.

Special steel material sales; precision machined part manufacturing and assembly 

[Strength of products/technologies]
Our company possesses three 2,500 × 4,000 portal machining centers. We have unrivaled technologies capable of processing large, difficult-to-process materials even after thermal treatment, and our quality levels are high enough for deliveries to aircraft companies. We can manufacture various products according to their purpose of use. Our products include tools, vacuum chambers, precision parts related to foods, precision machined parts for labor-saving equipment, machined parts for iron works, and trial parts for industrial machines. We can provide management after we receive your order covering from materials procurement to manufacturing small and large parts in an integrated form within the company to simplify customer intervention. We excel at cutting and grinding very hard products after thermal treatment, and we provide creative parts with high value.

[Representative's message]
Our company is now located in a place near a coastal area where the incidence of natural disasters is high, including tsunamis caused by earthquakes and floods due to rainstorms. This is why we have been constructing a new factory on a hill, and we will move the whole company to that location. A factory with a ground area of 9,900 square meters and a floor area of 3,300 square meters has been in service from September 2015. This will support a future increase of aircraft production that is now being planned. It will make it possible for us to manufacture and supply machined parts from a safe and secure location in order to gain customer trust. We will establish relationships of trust with important customers, and contribute to our customers by providing our technologies and equipment.

[Company structure for market development/overseas expansion]
Our company assigns a dedicated sales director to actively promote sales activities. We will educate our staff until they acquire five kinds of knowledge so as to produce reliable products at the manufacturing site. These five areas of knowledge include safety, 5S (Sort, Set in Order, Shine, Standardize, Sustain), Kaizen improvement, Ho-Ren-So (Report, Inform, and Consult), and QCD (Quality, Cost, and Delivery). We will provide instruction on our attitude toward pre- and post-processing at initial product manufacturing, in order to prepare an in-house system for perfect product processing. We will construct a system for perfect products and complete quality assurance with priority to product quality and process management.

[Awards and media coverage]
300 of Japan's Vibrant Monozukuri (Manufacturing) SMEs selection (June 2008); Miyazaki SME Grand Award (October 2013).

The Miyazaki Bank Regional Development Foundation, Industrial Development Department & Business Continuity Planning (BCP); Miyazaki Prefecture Model Company (FY2013).

JIS Q 9100 Quality Management System (Aerospace).

[Main Clients / Business History (domestic)]
We cannot provide details here because of non-disclosure agreements, but we do business with several major Japanese companies, and have worked with others in the past.

[Main Clients / Business History (overseas)]
We now provide landing gear machined parts to an aircraft landing gear manufacturer producing aircraft landing gear for the UK and Canada.

This company is recommended by the following support organizations.

Kyushu Head Office, SMRJ