COMPANY PROFILE
and
PRODUCTS INFORMATION
Products from NAGAOKA to the World
TOKUSAI
TungMoly
Management Philosophy
Based on the consideration for our customers, cooperative companies,
employees and their families, and from the view point of human respect, TOKUSAI
TungMoly Co., Ltd. pursues the sophisticated and leading-edge technology on our
thin wire manufacture and its application, and aims at the provision of affluent life
to all people on Earth.
Managerial Policy
1.Devotion to the consumer-oriented business operation with the concept of
customer first.
2. Business operation based on global view.
3.Provision of the self-fulfillment opportunities to employees for the maximum
exertion of their abilities.
4.Business operation in advance of the time, utilizing our long-established system
technology.
5. Prevention of public nuisance and disaster, and harmonization with the nature.
6. Securement of fair profits and reward to shareholders, employees and the society.
Kohzoh Iidaka
History of TOKUSAI TungMoly Co., LTD.
Special Thin-Wires Research Institute Co., Ltd. was founded in Shinagawa-ku, Tokyo, in September 1950, and started
the manufacturing and marketing of various metal materials for electron tubes, including tungsten.
Built the Yaguchi works in Ohta-ku, Tokyo in 1956, and Nagaoka works at Kotobuki-cho, Nagaoka city in Niigata Pref. in
1967 along with the expansion of our business scale. In 1971, we built a new Higashi-Zaoh plant, and concentrated all works
in this Nagaoka Factory in 1973 .
IIn 1974, we expanded the business scale of tungsten molybdenum thin wire business, with the capital participation of
Toshiba, and built additional buildings in the Nagaoka works in 1984 and 1985.
Aiming at the top market share of tungsten and molybdenum wire, we have completed a new plant in the Nagaoka
Nambu Industrial Park located in the southern part of the city Nagaoka, and the transfer to the plant in 1990. In the production
of tungsten wires, we have become a leading company with quality, technology and skills. We have consolidate our
manufacturing technology to make thin tungsten wires of the diameter up to 2.5 micron.
We are striving for the response to customer's request, by applying our manufacture technology of ultra thin tungsten
and molybdenum wires to the manufacture of thin wires for special electronic parts materials made of brass, beryllium copper,
SUS, titanium alloy, nickel alloy, and precious metal alloys, through our focusing at new business fields.
We changed our company name as TOKUSAI TungMoly Co., LTD. at the 40th anniversary in June 1991.　We also
acquired ISO 9002 in 1998 for the purpose of quality maintenance and manufacture system reinforcement. In 2003, we aimed
at the grade up to ISO 9001 to obtain customers' reliability.
Sep 1950 Kohzoh Iidaka inaugurated the Special Thin Wire Research Institute in Shinagawa-ku, Tokyo, and started the
production of tungsten wire for Christmas electric bulbs. Started the production of tungsten wire for Christmas
electric bulbs.
Jul. 1956 Built the Yaguchi works in Ohta-ku, Tokyo.
Aug.1659 Developed a multi-stage tungsten wire drawing machine.
Jul. 1962 Started molybdenum wire drawing.
Aug.1967 Built the Nagaoka works in Kotobuki-cho, Nagaoka City, Niigata Pref.
Oct. 1971 Built a new work in Higashi-Zaoh, Nagaoka City.
Started the production of tungsten wire for boron-filament.
Oct. 1973 Built an additional building at the Nagaoka Kotobuki-cho works and concentrated the
production divisions. Closed the Yaguch works.
Started tungsten and molybdenum wire drawing from the wire of diameter φ1.0mm.
Oct. 1974 Toshiba acquired capital in TOKUSAI to increase our company's capital to 27 million
yen.
Jun. 1981 Increased our capital to 33.5 million yen.
Oct. 1985 Built an additional building at the Nagaoka Higashi-Zaoh works.
Sep.1990 Build new works in Nan-yoh, Nagaoka City, and moved all production departments to
the new works.
Jun. 1991 Changed the company name to TOKUSAI TungMoly Co., LTD.
Feb. 1996 Started W-PP production.
Sep.1997 Built an additional secondary building in the Nagaoka Nan-yoh works and expanded the production line for plating
and W-PP line.
Mar. 1998 Acquired ISO 9002 certification.
Sep.2000 Celebrated the 50th anniversary of the foundation. Established the parts products department, and started the
new material business.
Mar. 2003 Acquired ISO 9001 certification.
Jul. 2006 Expanded production space for plating and parts machining line.
Nov. 2007 Moved the headquarters from Shinagawa-ku, Tokyo to Nagaoka-shi, Niigata Pref. for streamlining of operation.
Mar. 2012 Transferred the production of WMO wire, pin rods, platinum clad products to TOKUSAI from Toshiba Material.
2
Products from NAGAOKA to the Word
Pursuit of High-functional Parts and Materials by Technological Group
with the DNA of Originality and Ingenuity
We are expanding our business based on our super thin wire manufacturing technology of tungsten
and molybdenum as the typical material with high mechanical strength and high melting point. We
have been designing the most optimum working machine basically made by ourselves as the motto,
establishing the manufacturing line to provide the products to respond to customer's request.
Materials are the main stay of industry and essential for product realization. They are requested
to have the performance fit to the product. Although we are not a material manufacture, we have
been developing the working technology to make the best use of the material. Our products are used
regularly in various fields for more than a half century.
Further, we are challenging a new possibility in cooperation with material manufacturers.
To realize the product satisfying the customer's request, we will make a growth as the company of
technological group with originality and ingenuity to serve for customers.
Kohzoh Iidaka was born and grew up in Nagaoka City. People
in this place thought training of young very important and this
monument symbolizes the spirit of personnel training of Nagaoka.
In the middle of 19th century, there was a nation wide war
called Boshin War in a social confusion accompanying to the
modernization of Japan. And the Nagaoka-Han (feudal clan) was
hit by famine under the influence of this war. The neighboring Han
could not ignore the miserable state of Nagaoka-Han and sent
a hundred straw bags of rice as stopgap measures. When every
Hanshi (vassal) urged to divide that rice and claimed his share,
the then Karoh (the Chief Retainer) Kobayashi Torasaburo did not
agree to do so from the following farsighted ideas.
This spirit of education is inherited to date in Nagaoka.
The "Hundred Rice Bags" monument (Relief rice monument)
Table of contents
１． Management philosophy of TOKUSAI TungMoly Co., Ltd
２．DNA of originality and ingenuity
３．Tungsten
４．Molybdenum
５．Wires and rods of tungsten and molybdenum
６．Plating
７．Ultra thin wires and ribbons
８．Probe pins
９．Nickel-Titanium alloy and Titanium alloy
10．Technology of Tokusai TungMoly Co., Ltd
11．Specification of spools
12．Technical data of tungsten and molybdenum
13．Precaution for use
14．Production equipment
2
3
4
5
6
7
8
9
10
11
12
13
14
15
3
Tungsten
Tungsten wire is a very popular material as the bulb filament. Tungsten has a high
mechanical strength even in a high temperature environment. It has the melting point
of 3410 degree C, the highest among all metals, low vapor pressure, high mechanical
strength, and low out-gas at high temperature. Thin tungsten wire is heated and worked
using a diamond dice with black lead as a lubricant.
Our product TOKUSAI Wire was established by the technologies backed up with
customer's needs and our experience for more than 60 years, and obtained the reliance of
customers both domestic and overseas. We can respond flexibly to the order made size of
individual request of the customer.
Tungsten wire type
Type
Characteristics
Applications
TWG
K, Al, Si doped standard non-sag tungsten, high Incandescent lamp, fluorescent lamp, stranded
formable
wire for rope, charge wire
TWR
3% Rhenium tungsten wire with good high
Electron tube heater Special vibration resist
temperature strength and good elongation after
lamps
recrystallization
TWT
Tungsten wire with good high temperature
Small and low power vibration resist lamps
strength by dispersion of thoria
Standard specifications for tungsten wires
Finishing
Process
−B
As Drawn
−C
Drawing—EP*
− CS
Drawing—EP—Straightening
ＴＷ G −ＣＳ
Product code(Type)
Finishing
Available size range
Diameter tolerance
0.008 - 1.00 ｍｍφ （0.20 - 3016mg/200mm）
0.0025 - 0.50mm φ
（0.020 - 750mg/200mm）
0.5 - 1.5 %
(mg/200mm 1.0 - 3.0%)
0.5 - 1.5 %
(mg/200mm 1.0 - 3.0%)
0.0025 - 0.50mm φ
（0.020 - 750mg/200mm）
0.5 - 1.5 %
(mg/200mm 1.0 - 3.0%)
* EP : Electrolytic polishing
← Ultra thin tungsten wire
(Supool :19p）
Thin tungsten wire (spool: 53J）
4
Tungsten wire
（spool: back:244P, front: 115P）
Molybdenum
Products from NAGAOKA to the Word
Similar to tungsten, molybdenum is important as the material for electron tubes. Its
melting point is 2620 degree C, lower than that of tungsten, however, it is the heat
resistant material with high melting point and flexible workability. We can respond flexibly
to the made-to-order size of the customer's special request.
Molybdenum wire type
Type
Characteristics
Applications
Anchors, Supports Mandrels for single
coiled filament Furnace heaters
TMG
Pure Molybdenum wire
TMM
This wire shows stable mechanical properties after
heat treatment and also shows excellent working GridsMandrels for double coiled filament
range.
TMJ
This wire shows stable mechanical properties after
Outer lead for discharge lamps, sealing
heat treatment and also shows excellent working
metals, furnace heaters
range.
Standard specifications for molybdenum wires
TMG −ＣＳ
Product code(Type)
Finishing
Type
-B
-C
-CS
-CA
Process
Available size range
0.020 - 1.00mm φ
as Drawn
（0.64 ～ 1600mg/200mm）
0.010mm φ Drawing—EP*
（0.16mg/200mm - ）
0.010 - 1.00mm φ
Drawing—EP—Straightening
（0.16 ～ 1600mg/200mm）
0.050 - 1.00mm φ
Drawing—EP—Annealing
（4.0 ～ 1600mg/200mm）
Diameter tolerance
0.5 - 1.5 %
(mg/200mm 1.0 - 3.0%)
0.5 - 1.5 %
(mg/200mm 1.0 - 3.0%)
0.5 - 1.5 %
(mg/200mm 1.0 - 3.0%)
0.5 - 1.5 %
(mg/200mm 1.0 - 3.0%)
* EP : Electrolytic polishing
Molybdenum wire mesh for sintering
Molybdenum wire
（spool: left: 108P, right: 105C）
5
Tungsten / Molybdenum Rods and Pins
Tungsten and molybdenum wires are worked to rods and pins to respond to customer's request.
Example of use : Electrodes, heaters, electrodes for TIG welding
(1) Standard specification for tungsten and molybdenum rods (pins)
Type
Process ____-BP（ex. TWG-BP） drawing − straightening − cutting
____-CP（ex. TWG-CP） drawing − surface treating − straightening − cutting − polishing, end face machining
(2) Diameter and tolerance
Diameter range
Tolerance
φ 0.015 - φ 0.050mm
± 0.002mm
φ 0.051 - φ 0.100mm
± 0.003mm
φ 0.101 - φ 0.200mm
± 0.004mm
φ 0.201 - φ 1.000mm
± 0.005mm
φ 1.001 -
± 0.010mm -
(3) Tolerance for the length
Length range
Tolerance
3 - 99mm
± 0.2mm
100 - 199mm
± 0.5mm
200 - 999mm
± 5.0mm
1000mm -　± 10 mm
＊ Available in the form and processing of material tailored for customer's needs.
Electrodes for TIG welding
6
Left: Cut tungsten pins Right: tungsten rods
Plating
Products from NAGAOKA to the Word
We will respond to customer's request by plating gold, silver or nickel on tungsten and
molybdenum wires and various other wires.
(1)Plating materials
Gold, Silver, Copper, Nickel, Palladium, Copper-Tin
(2) Standard specification for plating
Type
Process
Plating metal - material name
（Ex. Au-TWG : Gold-plated tungsten wire）
drawing − EP* − gold plating
* EP : Electrolytic polishing
(3) Applicable size of plated wire
φ 0.005 ～φ 0.40mm
(4) Plating thickness and tolerance
plating thickness t (μm)
Tolerance
0.10 ≦ t < 0.60
± 0.20 μm
0.60 ≦ t < 1.00 ± 0.20 μm
1.00 ≦ t < 2.00
± 0.25 μm
2.00 ≦ t ≦ 10.00
± 0.30 μm
※ Contact us for the plating other than
our standards and its plating thickness.
Gold-plated tungsten wire
Left: Silver-plated beryllium copper wire Right: Gold-plated brass wire
7
Ultra thin wires and ribbons
We manufacture the super thin wires and ribbons of various metal materials, applying our
excellent working technology on super thin tungsten wire.
(1)Products list
Material
Alloying elements
Diameter range
( φ mm）
Copper
Cu
0.030 － 0.50
Brass
Zn-Cu
0.025 － 0.50
Phosphor bronze
Sn-P-Cu
0.015 － 0.50
Berillyum copper
Be-Cu
0.015 － 0.50
Nickel
Ni
0.015 － 0.50
Nichrome
Ni-Cr
0.015 － 0.50
Iron and nickel
alloys　(Invar etc)
Fe-Ni
0.020 － 0.50
Stainless steel
Fe-Ni-Cr
0.012 － 0.50
Hastelloy
Ni-Fe-Mo-Mn
0.020 － 0.50
Nickel titanium
Ni-Ti
0.020 － 0.50
Titanium
Ti
0.050 － 0.50
Aluminium
Al
0.100 － 0.50
Left: Gold plated brass wire Right: Nichrome wire
(2) Diameter and tolerance
Diameter range
Tolerance
Φ 0.010mm - Φ 0.050mm
± 0.001mm
Φ 0.051mm - Φ 0.100mm
± 0.002mm
Φ 0.101mm - Φ 0.200mm
± 0.003mm
Φ 0.201mm - Φ 0.500mm
± 0.004mm
(3) Standard specifications for thin ribbons
Thickness range
0.010 - 0.030mm
0.031 - 0.050mm
0.051 - 0.100mm
0.101 - 0.150mm
0.151 - 0.350mm
Tolerance
± 0.002mm
± 0.003mm
± 0.005mm
± 0.008mm
± 0.010mm
Ribbon width
0.10 - 0.20mm
0.21 - 0.30mm
0.31 - 0.50mm
0.51 - 1.00mm
1.01 - 3.00mm
Tolerance
± 0.01mm
± 0.02mm
± 0.03mm
± 0.05mm
± 0.10mm
＊ Contact us for other metal materials (non-ferrous metals, iron, precious metals), size, plating type, various working.
ING ribbon
8
Contact Probe pins
Products from NAGAOKA to the Word
Contact probe pins used mainly for semiconductor inspection
Available in the form and processing of material tailored for
customer's needs
(1）Contact probe materials
Electrical resistivity
Hardness Melting Point
（μΩ ･cm）
（Hv)
（℃）
（g/mm3）
Tungsten
5
680
3410
19.3
Rhenium tungsten
8
850
3410
19,3
6-elements alloy
31
380
1066
11.8
5-elements alloy
13
350
955
15.9
Berillyum copper
12
300
989
8.36
Silver-palladium alloy
18
400
1150
10.5
Silver-palladium alloy（H)
12
450
1050
10.5
Material
Density
Example of the probe card
* For reference only, as the characteristics mentioned above vary according to the processing
method, measurement method and the size of the product.
（２）Standard wire diameter and tolerance
Diameter range
Tolerance
Φ 0.015mm - Φ 0.050mm
± 0.002mm
Φ 0.051mm - Φ 0.100mm
± 0.003mm
Φ 0.101mm - Φ 0.200mm
± 0.004mm
Φ 0.201mm - Φ 1.500mm
± 0.005mm
Nose shap of contact probe pin (example)
（３）Tolerance for products length
Length
St'd tolerance
Special Tolerance
3 - 100 mm
± 0.2mm
± 0.03mm
102 - 300 mm
± 0.5mm
301 - 600 mm
± 1mm
601 - 2000 mm
± 5mm
（４）Processing technology available
Left: noble metal pin, Right: tungsten pin
① Plating（Ni, Au, Pd, Ag, Cu, etc.)
② Heat treatment（age hardening, precipitation hardening）
③ Resin coating（polyurethane, polyesterimide)
④ End finishing（flat, round, needle, etc.）
＊ Contact us for other metal materials and various working.
9
Nickel titanium alloy and pure titanium wire
（１）Nickel titanium alloy
Excellent corrosion resistance same as titanium alloy with high shape recovery ability
Example of use : Medical use (endoscope, catheter), connector contacts, antistatic brush
Shape of our product :
Thin wire, ultra thin wire, plated wire (available of plating with various metals such as gold, nickel, etc.)
・Physical property
Ni cont.
（%）
54 - 56
Ti cont. Density Melting point Linear expansion coefficient Specific heat Thermal conductivity Specific electrical resistance
（%） （g/mm3)
（℃）
( × 10-5/K)
(J/(kg・K)) (W/m/℃ )
( Ω m)
residue
6.5
1250 ～ 1280
10
440
12.1
80 - 100
・Diameter and tolerance
Diameter range
φ 0.025 - φ 0.099mm
φ 0.100 - φ 0.199mm
φ 0.200 - φ 1.000mm
Tolerance
± 0.003
± 0.004
± 0.005
hair
20 μ m super thin NiTi wire
（a） Heat treated at 400℃
（d）> Af point
cooling
heating
deformation
（b）Room temperature
external stress
load
permanent set
load
load off
heating
load
load off
load off
（ｃ）Room temperature
Shape-memory alloy
strain
(a) Nomal metal alloy
strain
strain
（c）Superelastic
alloy
alloy
(b) Shape-memory alloy Shape-memory
（２）Pure titanium
Excellent characteristics of corrosion resistance and abrasion resistance
Example of use: Medical use (endoscope, catheter), connector contacts
Shape of our product: Thin wire, super thin wire
・Physical property
Density
（g/mm3)
4.5
m.p.
（℃）
1670
Young's modulus Linear expansion coefficient
Specific heat Thermal conductivity Specific electrical resistance
Poisson's ratio
( × 10-6/℃ )
（Gpa）
(J/(kg・K)) (W/m/℃ )
( Ω m)
106
0.34
8.4
520
17
47 - 55
・Diameter and tolerance
Diameter range
φ 0.025 - φ 0.099mm
φ 0.100 - φ 0.199mm
φ 0.200 - φ 1.000mm
10
tolerance
± 0.003
± 0.004
± 0.005
The technology of TOKUSAI　Products from NAGAOKA to the Word
We are striving for the advancement into new business field based on our tungsten/molybdenum
thin wire working technology, which we have been nurturing for a long time, to new business field.
Ribbon rolling technology
Thin wire drawing technology
of precious metals or special metals
Surface treating technology
・Bright plating
・Barrel plating
・Electrolytic mirror polishing
・Insulating coating
・Centerless grinding
Components of
medical equipment
Metal cladding technology
Wires and Rods machining technology
・Wire straightening
・Head machining
・Accurate length cutting
・Needle tip machining
・Rounding machining
Semiconductor
Electronics components components
Air purifier
Printer and copymachine
Personal computer
11
Spool
①
276P
⑥
115P
⑪
P-5(R)
⑯ PL-600S
②
244P
⑦ DIN80
⑫
P-3(R)
⑰ Transparent resin
③
135P
⑧
108P
⑬
P-3
④
120P
⑨
53J
⑭
P-1(N)
⑱ Black resin
C
⑤
105C
⑩ 19P ⑥ 115P
⑮
P-1(F)
φE
D
A: Outer diameter
B: Body diameter
C: Traverse diameter
D: Width of the bobbin
E: Inner diameter
φB
φA
Recommended spool for Tungsten and Molybdenaum wire
Type
A
① 276P
279
② 244P
244
③ 135P
135
④ 120P
120
⑤ 105C 106.5
⑥ 115P
115
⑦ DIN80
80
⑧ 108P
108
⑨
53J
53
⑩ 19P
19.5
B
220
220
108
105
75
94
50
89
38
15
C
44
29
30
20.5
26
24
64
18
24
11
D
60
34
38
27
34
30
80
23
30
15
E
215
215
100
95
13
10
16
10
10
11
Weight
340
109.5
86
58
70
97
70
53.5
32
2
Adaptive wire diameter
0.30 - 1.0mm
0.080 - 0.60mm
0.050 - 0.60mm
0.050 - 0.60mm
0.030 - 0.40mm
0.030 - 0.20mm
0.020 - 0.20mm
0.010 - 0.20mm
0.010 - 0.050mm
0.005 - 0.010mm
Material
PC
PS
PS
PS
resin
PC GF30%
PS
glass fiber reinforced PP
Duracon
PMMA NA
Recommended spool for general metal wire
Type
⑪
P-5(R）
⑫
P-3(R)
⑬
P-3
⑭
P-1(N)
⑮
P-1(F)
⑯ PL-600S
⑰ Transparent resin
⑱ Black resin
A
160
130
130
100
100
87.7
50
50
B
90
80
80
50
50
67.8
40
40
C
90
90
90
70
70
79.4
9
9
D
114
110
110
90
80
106.5
11.7
11.7
E
20
20
20
16
20.5
16
14
14
Weight Adaptive wire diameter
400
0.050 - 1.0mm
250
0.030 - 0.50mm
170
0.030 - 0.50mm
105
0.010 - 0.30mm
120
0.010 - 0.30mm
130
0.010 - 0.10mm
6
0.010 - 0.050mm
5
0.010 - 0.050mm
The recommended spool for tungsten and molybdenum is also available.
12
Material
PS
ABS
ABS-NAT
PS
PS
ABS
PS
PP
Products from NAGAOKA to the Word
Tensile strength N/mm2
Technical Data（Tungsten and Molybdenum Database）
Test temperature
Tensile strength of tungsten at high temperature (1)
Temperature dependence of tensile strength of various types
of tungsten wire
Relation between tungsten wire hardness and heat
treatment temperature (for the wire with diameter 0.39)
Temperature dependence of Young's modulus and
Poisson's ratio of polycrystalline and single crystalline
tungsten
・Source: "Technical information on tungsten & molybdenum" 3rd revision, Japan Tungsten & Molybdenum Industrials
Association (2009)
・Value of each data is not guaranteed for product.
13
Precautions
Musts and Don'ts in using tungsten and molybdenum wires
Ａ）Storage and Handling
Ｂ）Precaution for use
Ｃ）Contamination Embrittlement
Surface-finished wires are oxidized easily. Store them in a dry and cool atmosphere with the
humidity less than 60% and the temperature lower that 28 degrees C. Use of desiccators is
preferred. Be careful not to handle finished wires with bare hands.
Put wire spool with its flange upright. Otherwise, spooled wires get loosened easily
and entangled by slight vibration or rapid heat change. Preferably, line them up in upright
position in a wooden box.
Exposure of the surface-finished wires to air causes oxidization and discoloration. Even if
they are treated by hydrogen furnace for reduction, their surface becomes matte to cause the
deterioration of elongation. We recommend electrolytic polishing to maintain the elongation.
Do not rewind the spooled wires as a rule. In case of unavoidable need, keep the winding
tension not to exceed 10% of the tensile strength of the wire to prevent the degradation of
straightness. This warning applies to all wires that demand straightness.
To remove graphite layers from as drawn wire, perform heat treatment at 1500 deg C. with
wet hydrogen.
◆ Do not use nitrogen gas when molybdenum wires are heat treated at over 600 deg C.
◆ Hydrogen furnaces for heat treatment of thin wires requires cleanliness. Perform careful maintenance.
◆ Remove the discolored refractories with new ones in furnace repair work, without reuse of them.
◆ At the very beginning of the furnace running after its installation or repair work, perform full runningin operation to avoid contamination from refractories.
◆ Do not put the parts and jigs of other materials in the heat treating furnace for tungsten and molybdenum.
Evaluation equipment
We are making full use of the
latest evaluation equipment for
product inspection and material
characterization evaluation.
Crack-detector and Wire diameter
measuring apparatus using laser
Ultra micro balance for thin wire measuring
Micro-Vickers hardness tester
14
Solder wettability evaluation
Tension tester
Atomic absorption spectrometer
Optical measuring microscope
Sag tester
Production line
Bench drawing
Tungsten and Molybdenun drawing machines
Electrolytic polishing machine
Metal-ribbon rolling machine
Soft metal wire drawing machine
Products from NAGAOKA to the Word
Medium drawing machine
MD anneal apparatus
High-speed drawing machine
Plating line
Full-automatic wire rewinding line
15
TOKUSAI TungMoly Co., Ltd
http://www.tokusai.co.jp
1027-6 Nannyo 1-chome, Nagaoka-shi, Niigata Prefecture, 940-1164, Japan
TEL +81-258-22-2171
FAX +81-258-22-2180
Sales Department direct call
TEL +81-258-88-0101
FAX +81-258-22-2292
Nagaoka IC
hash
i brid
ge
Higashizume
Ohote-O intersection
hohash
i Bridge
Shinano-gawa
River park
JR N
Sakai-nishi
intersection
-Oho
ka st.
aoka
agao
Nag
Nagaoka JCT
Riv
er
Chosei Bridge
ina
Sh
inn
e
Koshiji Bridg
Joetsu Line
ets
uL
ine
Nanbu
Industrial complex
Joetsu-Shinkansen
Sh
Imamiya park
Th
e
sway
Kanetsu Expres
no
TOKUSAI
The Fireworks in Nagaoka
（Provided by Nagaoka City Hall）
Guide to transportation
・15 minutes by car from Nagaoka Station
・30 minutes by car from Nagaoka IC
・10 minutes from the smart IC Koshiji south Nagaoka
Nagaoka Minamikosiji Smart IC
2013-11