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NAKA SEISAKUSHO
CO., LTD.
The Total Supplier for
State-of-the-art Precision
Machinery Metallic Parts
ISO14001:2004;ISO9001:2008
www.naka-seisakusho.co.jp
NAKA SEISAKUSHO
CO., LTD.
CONTENTS
TITLES
PAGE NO.
COMPANY INTRODUCTION…………………………………………………………………….1
CORPORATE STRUCTURE………………………………………….…………………………..2
CORPORATE HISTORY……………………………………………………..…………………..3
ENVIRONMENTAL MEASUREMENTS……………………………….……………..……...…..5
OUR MACHINES IN OPERATIONAL PRODUCTIONS………………………………...………..6
PRODUCT INTRODUCTIONS…………………………………………………………………..10

MANUFACTURING SECTOR……………………………………………….….10

FACILITY AND INFRASTRUCTURE SECTOR…………………………….…...13
QUALITY POLICY………………………………………………………………………..…… 14
NAKA SEISAKUSHO CO., LTD.
Company Introduction
Since the company was founded, we have been serving high-definition machinery processed parts
and high-technical-oriented components in order to respond to all customers’ demands in a timely manner.
With advance technologies and high level of processing techniques, and under the Japanese standard quality,
we can guarantee our customers “Satisfaction”, and according to our mission, we will thus never stop improving
our product qualities.
Thanks to high-advanced CNC lathes, we possess high-precision required processing innovation and
are able to do cylindrical grinding and center-less grinding, broadening our capabilities in reflecting to all
customer needs; as a total supplier of high-definite machinery processed parts, we will thoroughly take all
customers’ inquiries with an immediate response. In order to be able to enhance customers’ convenience,
social developments, and industry improvements as a whole, we promise to dedicate our best service and
quality continuously.
It would be highly appreciated and thankful for any contacts we may receive. We will reply your
inquiry within 24 hours. We are looking forwards to your now-and-future patronages.
Hideki Naka
President
www.naka-seisakusho.co.jp
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NAKA SEISAKUSHO CO., LTD.
Corporate Structure
Company
NAKA SEISAKUSHO CO., LTD.
OFFICE LOCATIONS

MAIN FACTORY
6-140 Otashinmachi Yao City Osaka 581-0039 Japan

SUB-FACTORY
6-139 Otashinmachi Yao City Osaka 581-0039 Japan
PRESIDENT
Hideki Naka
ESTABLISHMENT
Individual established in August, 1980
Registered for Company Limited in March, 1990
CAPITALS
5,000,000 Yen
PERSONNEL
23 persons
BANKS IN
Kiyo Bank Yao-minami Branch
Osaka City Shinkin Bank Yao Branch
CORRESPONDING
Mitsui Sumitomo Bank Yao Branch
Mizuho Bank Yao Branch
TRANSACTIONS
Osaka Shinkin Bank Yao Branch
Nanto Bank Yao Branch
Hyakujushi Bank Higashi Osaka Branch
Osaka Higashi Shinyo Kinko Bank KoshiwaraBranch
Kinki Osaka Bank Yao Branch
MAIN CLIENTS
Yasukawa Electric Co., Ltd. Tokyo Factory, Yawata Factory
Yasukawa Logistic Co., Ltd.
Yawata electronics energy carpenter Co., Ltd.
Dijet Industrial Co., Ltd.
Yahata Co., Ltd.
MAIN BUSINESS
To produce and sell all types of high-definite machinery processed parts,
shaft components in office equipment, medical equipment parts, metal
roller, engine parts and many other made-to-order works
www.naka-seisakusho.co.jp
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NAKA SEISAKUSHO CO., LTD.
Corporate History
August
1980
March
1983
September
1988
March
1990
January
1994
September
1997
August
1998
July
•Mr. Masayuki Naka, the founder of NAKA SEISAKUSHO, who decided to start up his first own
business in sewing machine and bicycle parts processing industry at Yao City Ota 2-chome.
•Due to our company had to deal with vessel parts; we therefore adopted NC lathe
technology. As the consequence, we had to move our factory to Otashin-machi 8-chome.
•With the needs of reproduction parts, so we applied CNC compound lathe and put more
focus on machining center basis. As a result, we had shifted our production factory to
Otashin-machi 5-chome.
•The company had been reformed by setting up as a registered NAKA SEISAKUSHO CO.,
LTD.; and concurrently, Mr. Masayuki Naka took an office as a company’s president since
then.
•With the need of firm expansion, we were to import more machines to increase our
production capacity; thus, we again had made another step to set foot at Otashin-machi
7-chome.
•Furthermore, we started to employ a computerizing system to control the purchasing,
buying, stocking, and also the inventory management in order to achieve a higher
efficiency standard.
•Owing to an increase in center-less grinding machines and CNC compound lathes, we
expanded our land and set up the 2nd factory to increase the production capacity and
build up a warehouse.
•We decided to go further by moving our manufacturing basement and setting up a new
office at Otashin-machi 6-chome where is currently our present head office and factory.
Besides, we also expanded company area by opening our 2 nd factory nearby. Hence, we
are able to put more production machines combining with a distribution warehouse.
•To reflect the demand of shafts in servo motor, we thus imported NC cylindrical grinding
machines.
1999
October
•Mr. Hideki Naka was invited to take an office of the company’s president.
2004
November
2005
•To follow an increase in numbers of CNC compound lathes, we opened 2nd factory specializing in grinding.
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NAKA SEISAKUSHO CO., LTD.
February
2007
October
2007
•With a rise in demands of construction machine’s components, we moved our production
base to the 2nd factory, simultaneously, installing more center-less grinding machines.
•An increase in NC compound lathes installed in corresponding to the cut of a largediameter processing
January •Received ISO9001 (No. 05454) International Standard Certification
2009
March
•Increase of CNC compound lathes coupled with center-less grinding machines
2009
April
2009
Novembe
r
•TESA-VISIO 2D measuring instruments were employed, we thus built up an inspection lab
center.
•Granted a prize of Osaka Monodzukuri Spirits Excellent Company of Osaka in 2009
•Received ISO14001 ( No.05850 ) International Standard Certification
2009
August
•Posted in Daily Industry Local Newspaper as a Monodzukuri manufacturer in Kansai region
who supports the Japan country
2010
March
2011
July
2011
December
2011
May
2012
•We adopted a highly-advanced shaping, designing, and measuring equipment for the next
generation.
•The monthly magazine The Human 8 May issue, and will be posted as companies and
people to nurture community.
•We adopted a Instrument image dimensions.
•Established NAKA SEISAKUSHO (THAILAND) in Thailand
August •Along with the increase orders, and additionally introduced a CNC lathe complex.
2012
July
2014
•For further productivity improvement, and additionally introduced a CNC lathe complex.
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NAKA SEISAKUSHO CO., LTD.
Environmental Measurements
Environmental Protection Policy
We do concern about environmental governance, so we take a measure for our business activities as
the followings.
Vision
With all company members’ cooperation, we are aiming to be an environmental friendly corporate
supporting social responsibility and actively responding to the global environmental awareness.
Mission
Our company business is to produce and sell various types of precision- machinery parts. Therefore, in
the realms that are under our managerial manipulation, we will curtail the effect which may occur from
production activities. The measures that we are now implementing are written as below.
1. SYSTEM DEVELOPMENTS
We carefully examine our production process whether it could release the environmental deterioration.
We set up an objective and environmental goal so that we could sustainably improve our environmental
management systems.
2. ENVIRONMENTAL PRESERVATION
In compliances with the environmental laws and customer’s desire, within the scope of our capacities,
we will attempt to maintain environmental prosperities.
3. ENVIRONMENTAL OBJECTIVE AND GOAL
In any business activities that are related to the environmental issues, the followings are the
implementations of our environmental goals.
1. To cease the global warming, we are promoting electricity, fossil fuel and power saving.
2. To maximize the natural resource efficient utilization and product recycle
3. To maintain and improve product quality together with reducing inventory stocking and
by-products (scraps)
4. To innovate and produce new environmental-friendly products
4. COMPANY’S PR ACTIVITIES FOR THE ENVIRONMENTAL POLICY
We are promoting environmental concerns by means of internal and external PR activities; we
educate all members to our company’s environmental policy to thoroughly understand and realizing the
essence thereof.
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NAKA SEISAKUSHO CO., LTD.
Our Machines in Operational
Productions
Machine Models
Automatic NC Lathe
Milling Machine
" Citizen Compound Machine "
" Shizuoka Steel "
B-12-Ⅱ ・・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
SV-CH ・・・・・・・・・・・・・・・・・・ 1 Unit
B-12-Ⅵ ・・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
L16-Ⅲ ・・・・・・・・・・・・・・・・・・・・・・・・ 3 Units
General-purposed lathe
L20-Ⅲ ・・・・・・・・・・・・・・・・・・・・・・・・ 4 Units
" Houwa Industry "
L20-Ⅴ ・・・・・・・・・・・・・・・・・・・・・・・・ 5 Units
STRONG-860 ・・・・・・・・・・・ 1 Unit
L20-Ⅷ ・・・・・・・・・・・・・・・・・・・・・・・・ 2 Units
L20-Ⅸ ・・・・・・・・・・・・・・・・・・・・・・・・ 1 Units
M20-Ⅰ・・・・・・・・・・・・・・・・・・・・・・・・
1 Unit
Tapping Machines
" Brother Industries "
E32-Ⅱ ・・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
BT61-511 ・・・・・・・・・・・・・・・ 2 Units
L32-Ⅳ ・・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
BT61-512 ・・・・・・・・・・・・・・・ 1Unit
M32-Ⅱ ・・・・・・・・・・・・・・・・・・・・・・・
1 Unit
BT71-521 ・・・・・・・・・・・・・・・ 1 Unit
M32-Ⅴ ・・・・・・・・・・・・・・・・・・・・・・・
1 Unit
A20
1 Unit
・・・・・・・・・・・・・・・・・・・・・・・・
NC Lathe
Drilling Machine
" Ashina Steel "
" Okuma "
ASD-310 ・・・・・・・・・・・・・・・・・ 1 Unit
L250 ・・・・・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
" Yamazaki Mazak "
ASD-420P ・・・・・・・・・・・・・・ 1 Unit
" Kira Steel"
QUICK TURN NEXUS 200-2MY・・・・・ 1 Unit
KRTG-540 ・・・・・・・・・・・・・・ 1 Unit
" Takamatsu Machine "
X-10 ・・・・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
KRDG-420P ・・・・・・・・・・・・ 1 Unit
Machining Center
KRDG-340 ・・・・・・・・・・・・・・ 1 Unit
" Fanuc "
Robot drill α-T10C ・・・・・・・・・・・・・
1 Unit
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NAKA SEISAKUSHO CO., LTD.
Burnishing Machine
Desk Compressor
" Sugino Machine "
"SCHMIDT"
SPEROOL MUGEN ・・・・・・・・・・・ 1 Unit
6-02-1999 ・・・・・・・・・・・・・・・ 1 Unit
5-111-9772-7337-1 ・・・・・・・・ 1 Unit
Chamfering Lathe
" Takamatsu "
T-850 ・・・・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
T-850K ・・・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
NC Cylindrical Grinding Machine
Projectors
" Sigiya Precision Machine "
" Mitsutoyo "
GPS-20 ・・・・・・・・・・・・・・・・・・・・・・・・ 4 Units
PJ-H3000F ・・・・・・・・・・・・・・・・・・・・ 1 Unit
Center-less Grinding Machines
" Omiya Machinery "
Laser Scan Micrometer
OC-20BR-200 ・・・・・・・・・・・・・・・・・・・ 1 Unit
" Mitsutoyo "
OC-18BR-200 ・・・・・・・・・・・・・・・・・・・ 1 Unit
LSM-3100 ・・・・・・・・・・・・・・・・・・・ 1 Unit
OC-18 ・・・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
OC-12 ・・・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
Professional Length Measurers parameter
"NISCA"
Universal Grinder
Hakarukun ・・・・・・・・・・・・・・・・・・・ 4 Units
" Matsuzawa Precision Machine "
MZ-3BG ・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
Products’ Shape and Surface Inspecting
Machines
– shape roundness, surface roughness
Chamfering Machine
"TACI"
" Tokyo Seimitsu"
Tabletop Mentorikun ・・・・・・・・・・・・ 1 Unit
Lon com30C ・・・・・・・・・・・・・・・・・ 1 Unit
Surf com ・・・・・・・・・・・・・・・・・・・・・ 2 Units
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NAKA SEISAKUSHO CO., LTD.
Precision Drilling Grinder
"NACHI"
Tool Pre-setter
Drill Pointer Pro DGP20TX ・・・・・ 1 Unit
"Cincom"
TP-1000 ・・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
CAD
"AUTO DESK"
Welder
AUTO CAD2015 ・・・・・・・・・・・・・ 1 Unit
"Panasonic"
Pan-Auto NEW-K350 ・・・・・・・・・・・・ 1 Unit
Two-dimensional Image Measuring
Machine
Engine Welder Generator
" Shindaiwa "
"SWISS-TESA"
TESA-VISIO 300 ・・・・・・・・・・・・ 1 Unit
EG2100 ・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
EGW150M ・・・・・・・・・・・・・・・・・・・・・ 1 Unit
Instrument image dimensions.
“KEYENCE”
Riveting Machine
IM-6020 ・・・・・・・・・・・・・・・・・・ 1 Unit
"Yoshikawa Iron Works"
US-56 ・・・・・・・・・・・・・・・・・・・・・・・・・ 1 Unit
Cincom Automatic NC lathes
NC lathes and machining-center
Cincom M-32 Series Operating Panel
Center-less Grinding Machine
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NAKA SEISAKUSHO CO., LTD.
Roundness Inspecting Machine
Two-dimensional Image Measuring
Machine
Instrument image dimensions
Surface Roughness Inspecting Machine
Highly-advanced shaping, designing,
and measuring equipment for the next generation
Automatic NC lathe · A20
NC lathe · L250
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NAKA SEISAKUSHO CO., LTD.
Product Introductions
The Production Process Methodology
Cutting Patterns
:
Automatic Lathe Processing, Lathe Processing, Milling, Machining Center Processing, Boring Processing,
Drilled Processing, Screwed Hole, Gear Cutting, Welding, NC Cylindrical Grinding, Center-less Grinding,
etc.
Casting and Hammering-out
Die-casting, Hammering-out
Surface Treating
Plating, Alumite, Heat-treatment, other surface treating, e.g. Teflon Coating
Raw Materials in Productions
Pig Iron, Alloy Steel, Special Steel, Dies-Steel, Stainless Steel, Copper, Aluminum, Titanium, Brass, Carbide, Heiss,
etc.
Manufacturing Sector
Mechanic parts in coin-making machine,
compounded parts in multifunctional
machines
Mechanic parts in coin-making
machine, compounded parts in
hobbing machine and timing
pulleys spur gear
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NAKA SEISAKUSHO CO., LTD.
Servo motor shaft, cylindrical abrasive
Aluminum processed product
grinding with the multifunctional
processing machine,
concentricity 0.005mm or less
Construction machinery parts, agricultural
Construction machinery parts, agricultural
machinery components and parts in
machinery components, Heat treatment
multifunctional processing group
(High Frequency, Carburizing, etc. ) and
machines
Centerless cylindrical grinding finishing products
Zinc-plated parts, also support the thin
Gas nitro-carburizing, Rieu bright black
film pressure in precision parts
oxide coating parts
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NAKA SEISAKUSHO CO., LTD.
Brass and copper (non-ferrous metals)
Rolling and Laurette processing components
processed products, parts for air valve
and household appliance
The rollers in copy machines, pipe, solid
Machining center processing products
shape, rubber roller, etc.
High precision for complex mini-parts
Products after the processing from complex
machine, polishing, welding, and plating
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NAKA SEISAKUSHO CO., LTD.
Facility and Infrastructure Sector
The Pole vault box SUS
Mark Plate
Carving for Nunobiki Athletic Park in
Carving in the form of being installed
Yohkaichi City, Shiga Prefecture
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NAKA SEISAKUSHO CO., LTD.
Quality Policy
Philosophy
Our company takes a high consideration in developing a
harmonization with customer’s demands, implementing the quality
guarantee system, producing the high quality products; so that we
can sustainably earn trust and confidence from the customers.
Policy and Regulations
1.
Conform the product request and customers’
requirement to enhance the customers’ satisfaction.
2.
Minimize defects and maximize special products and
service offers.
3.
Sustainably developing product quality managements.
1. Do not affirm to any fixed idea and be inquisitive to
seek for better ways.
2. Be flexibly and react to the improvement requested
promptly.
3. Thoroughly consider the pros and cons for customers
to achieve a win-win situation.
4. Building up a corporate structure that aiming at
harmonizing all sectors: management, administration, QC, with the
manufacture as the core.
4.
Industriously support product quality education to all company’s members and promote our
product quality policy via PR activities and social publicity.
Revised in Dec. 17, 2014
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NAKA SEISAKUSHO CO., LTD.
OFFICE LOCATIONS
MAIN FACTORY
6-140 Otashinmachi Yao City Osaka 581-0039 Japan
SUB-FACTORY
6-139 Otashinmachi Yao City Osaka 581-0039 Japan
TEL: +81-7-2948-0103 | FAX: +81-7-2949-8739
e-mail: [email protected]
www.naka-seisakusho.co.jp
ISO9001:2008 (No.05454)
Quality Management System
ISO14001:2004 (No.05850)
Environmental Management System
www.naka-seisakusho.co.jp