SMICCOMPANY PROFILE
Senju Metal Industry Co., Ltd.

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～ Management Philosophy ～Perform our mission to be a sociallyvalued institution by providing the highest
standard products year after year
- Ability Acquire the skills required of a professional-- Integrity -Possess correct human morals and principles- Challenge Spirit -Embrace and overcome challenges
Since founding as Senju Lead Works Co., Ltd. in April 1938, Senju Metal
Industry Co., Ltd. has made incalculable contributions to the industry by
manufacturing products that are vital to the electronics and machineryindustries. Moving forward, our management philosophy of “Perform ourmission to be a socially valued institution by providing the highest standard
products year after year” will serve as the basis for our focus on developing
innovative products which create new value. We shall strive to exist as acorporation which contributes to the world through outstanding technology.

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SMIC

はんだのリーディングカンパニーとして千住金属工業のイノベーション

Message from the President

Delivering outstanding products
through innovative technology
for next-generation
Since founding as Senju Lead Works Co., Ltd. in April 1938, Senju Metal Industry Co., Ltd. has madecountless contributions to the industry by manufacturing products that are vital to the electronics andmachinery industries. We focus on management which promptly responds to changing times through an
unwavering passion to achieving ultimate quality. Through the patronage of our customers, SMIC has
steadily expanded our business. Today, we have grown into a corporation which provides comprehensive
soldering technology to the global market. This growth was made possible by the concerted effort ofthe entire SMIC Group, from our core businesses of soldering materials, FA equipment and bearings,
sprinklers, industrial analysis services and overseas subsidiaries. Based on our fundamental principleof “delivering outstanding products through innovative technology,” we are expanding globally throughsuperior quality and innovative technology which meets the social needs.In recent years, new social
needs including environmental conservation, resource prioritization, climate change and improved
safety have arisen in a wide range of fields such as semiconductors, electronic components, electrical/electronics equipment, industrial equipment, construction machinery and the automotive industry.
SMIC is strongly aware of such conditions and is developing new innovations which will create totalsolutions. Staying true to our founding spirit of “embracing the challenge of advanced technology,”
SMIC is strengthening deployment for R&D and commercialization in new areas which are linked tonext-generation advanced fields.SMIC is also reinforcing risk management to prepare for the major
earthquake which is predicted to occur in the near future. Furthermore, we are implementing continual
CSR activities in order to fulfill the duties of transparency and governance in our business processes.
SMIC is committed to enhancing close partnerships with our customers to build an even stronger
relationship of mutual trust.

President

Ryoichi Suzuki

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SMIC’S
Innovation

1996

Innovation of SMIC,a leading company in soldering

Developed the world’s first“lead-free solder”

2018
Acquired IATF 16949
certification▼▼

Solder has a history of approximately 5000 years, andWe first obtained ISO 9001 certification in 1994, thenthe wettability of the no-clean paste. Initially, the nitrogen-the main component is Sn-Pb solder, which is composed

renewed the registration with ISO/TS 16949, and in 2018

filled reflow ovens were sealed at the furnace’s entranceof tin and lead. However, in the 1990s, groundwaterobtained certification for IATF 16949, an international quality

other industrial fields globally through groundbreaking

and exit, but this caused throughput issues. As a solution,

contamination by lead had become an environmental

management system standard for the automotive industry.

innovations in joint system technology based on soldering

we developed the industry’s first nitrogen oven, which canissue, and there was a growing demand for the complete

This is a vital certification in the automotive industry supply

maintain a low oxygen concentration even while the entrance

elimination of lead. SMIC is the world’s first company

chain.

expanded new application materials to its core products,and exit are open, enabling continuous production. It wasthat developed and obtained a patent for highly reliable

such as anodes for plating and corrosion-resistant alloy

released as the SX series, and its core technology has been

Sn-Ag-Cu based lead-free solder. The flagship product,wires, which have extended the service life of water pipes.

carried over to the current SNR-GT II series.

“M705,” is used in variety of products and has become theSince its establishment in 1938, SMIC has beenbringing new value to the electronics, automotive, andmaterials, factory automation, and bearings. We have also

2020

global standard material, promoting the transition to lead-1955

free products. This has made a substantial contribution
to environmental conservation worldwide. We continue todevelop lead-free solders for various applications, as well

We have formed an environmental vision aimed at creating
a low-carbon, recycling-oriented society that is in harmony▼SX-2510N2

with nature, and we are continuously working to achieve

Flux-cored solder is a product that contains resin (flux) inthis vision. Our goal is to contribute to the development of

the center of the wire solder. As a general-purpose product,a sustainable society by pursuing zero-emissions business

it is widely used in a variety of applications, from household

practices.

1995

to industry. SMIC was the first in Japan to commercialize
this flux-cored solder under the name “sparkle solder.”Sparkle solder was developed for use in the wiring of radios
and televisions, and contributed greatly to the developmentof Japan’s electronics industry. In 1956, SMIC received thefirst JIS (Japanese Industrial Standards) approval for solder.

Began the manufacturing oflead-free plain bearings▼
Lead was widely utilized in plain bearings at the time due

The photo on the left shows an early flux cored solder.
Production of sparkle solder was started for TV and radio
connecting wires.

1990
Developed a nitrogenatmosphere reflow oven thatenables continuous production▼As the trend toward no-clean assembly accelerated due toCFC regulations, nitrogen reflow was looked at to ensure

SMIC

▼

as take on new challenges and evolution.

Started first production offlux-cored solder in Japan

3Developed Environmental
Vision 2050

2011
Joined the RBA as the only
company in the solder industry
and declared products to be“conflict mineral-free”

2023
Announced the lowtemperature soldering
technology “MILATERA”

to its superior sliding properties, although there were▼▼environmental concerns. Eight years before the RoHSWe started our initiatives to eliminate the use of conflict

MILATERA is a general term for assembly technology that

Directive was implemented in 2003, we developed andminerals in 2009. We conduct audits of refineries andenables low-temperature assembly by using solder withbegan selling “Clean Metal CB90,” a lead-free product that

confirm that no conflict minerals are used. In 2011, wea melting point that is roughly 80°C lower than that ofperformed equally well or better than that of lead-containing

declared that we would not use any conflict minerals.

traditional lead-free solder, thereby contributing to reducing

products. It was first used in motorcycle front forks because

CO 2 emissions.

it allows for smooth suspension movement, and it has

The name is derived from “MILA (from “future” in Japanese)

since been used in many applications, including automobile+ TERA (“to illuminate” in Japanese and “Earth” in Latin),”shock absorbers. Today, we offer a wide range of sinteringand has the meaning of “illuminating the future of the Earth.”technologies and products, making subtle adjustments
according to the area of use.
​​Clean MetalCB90※ RBA（Responsible Business Alliance）※ RMI （Responsible Minerals Initiative）

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Products

SMIC is a global company
that contributes to society
through connecting technologies

SMIC’s soldering materials come in a variety of forms, including
bars, wires, pastes and balls, and we offer products that best suit ourcustomers’ needs and applications. In addition, we develop flux, whichis essential for soldering. We also develop our own factory automationequipment to satisfy our customer needs through “ total solutions.” Forproduct details, see the product catalog.

With soldering materials, factory automation equipment, sintering technologies and products as our mainstay
businesses, SMIC merges the core technologies of electronics, chemicals, mechanics, and metallurgy to createsynergy by further enriching these technologies. We are involved in the development of diverse high-techsolutions in every field such as the electrical and electronic devices, semiconductors, and automobiles.

*SMIC offers all forms of lead-free solder “ECOSOLDER”.
*MILATERA and ECOSOLDER are trademarks or registeredtrademarks of SMIC.

Click here to download
the catalog

SMIC’s factory automation equipment isdeveloped by engineers who are experts insoldering technology.
SMIC’s sintering technologies and products

We develop products that fulfill a variety ofintegrate various components to create novel

soldering needs, including those for minutefunctions.

parts inside mobile devices, electronicSintering technologies and products arecontrol devices used in high-temperatureused in hydraulic equipment for construction

environments such as automotive parts,

and agricultural machinery, as well as inand low-temperatureautomobile shock absorbers, which has

assembly that contributes

earned us a high reputation and trust.

to carbon neutrality.
For product details, see
the product catalog.
Click here to download
the catalog

7SMIC

SMIC COMPANY PROFILE8

520sitesin Europe,sites
in Japan,including 1
manufacturing site

including 11
manufacturing sites

819sitesin America,

sites
in Asia,

Senju Metal Industry
Co., Ltd.

including 10
manufacturing sites

including 3
manufacturing sites■Headquarters

Tokyo■Sales Sites

Iwate/Miyagi/Fukushima/Tokyo/Aichi
Toyama/Nagano/Shiga/Hyogo/Fukuoka■Production Sites

Saitama/Tochigi(2sites)/AichiHyogo(2sites)

Company Profile

List of major companies

Senju Metal Industry Co., Ltd. /Senju Metal Industry GroupWe have launched our official
Instagram account

DUNS# 690663091■ Scale of Operations
Established

April 15, 1938

Address ofHeadquarters

23 Senju Hashido-cho
Adachi-ku, Tokyo,
120-8555 Japan

President

Ryoichi Suzuki

Japan

AmericaIndustrial Analysis Service Ltd.

Senju America Inc.

Senju (Malaysia) Sdn. Bhd.

Tianjin Senju Electronics Co., Ltd.

Senju Sprinkler Co., Ltd.

Senju Comtek Corp.

Senju Trading (M) Sdn. Bhd.

Beijing Senju Fire Fighting Equipment Co., Ltd.

Senju System Technology Co., Ltd.

Senju Fire Protection Corp.

Senju (Thailand) Co., Ltd.

Shanghai Senju Business
Management Consulting Co., Ltd.

Senju Electronic Corp.

119.1 billion yen

Sales(consolidated)(January 2023 - December 2023)

Capital

400 million yen

Number ofemployees(consolidated)

2,190(As of December 2023)

Asia

Senju Giken Co., Ltd.

Senju Solder (Phils.) Inc.

Europe(Germany,Czechia)
Senju Metal Europe GmbH
Senju Manufacturing
Europe s.r.o.

Senju Metal (Shanghai) Co., Ltd.
Senju Metal (Huizhou) Co., Ltd.
Senju Metal (Hong Kong) Limited
Senju Electronic Materials (HongKong) Co., Limited
Senju Electronic (Taiwan) Co., Ltd.
Senju Metal Industry Co., Ltd.
Kaohsiung Branch
Senju Metal Korea Co., Ltd.

Location Information (As of December 2023)

9SMIC

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