Japan

Holdings & supporting companies

Head office

DOWA HOLDINGS CO., LTD.
22F, Akihabara UDX, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo, 101-0021 Japan
TEL : +81-3-6847-1106
FAX : +81-3-6847-1272
MAP
DOWA MANAGEMENT SERVICES CO., LTD.
22F, Akihabara UDX, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo, 101-0021 Japan
TEL : +81-3-6847-1151
FAX : +81-3-6847-1172
MAP
DOWA TECHNOLOGY CO., LTD.
22F, Akihabara UDX, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo, 101-0021 Japan
TEL : +81-3-6847-1105
FAX : +81-3-6847-7030
MAP
DOWA group Osaka branch
13F, Shin-fujita Building, 2-4-27, Dojima, Kita-ku, Osaka, 530-0003 Japan
MAP
DOWA group Nagoya branch
2F, Nagoya Fushimi Square Building, 1-13-26, Nishiki, Naka-ku, Nagoya, Aichi, 460-0003 Japan
MAP
DOWA group Kyushu branch
3F, Daiichiseimei Building, 1-4-1, Hakataekimae, Hakata-ku, Fukuoka, 812-0011 Japan
MAP

Subsidiaries

UNEKURA MINING CO., LTD.
42, Tsutsumisawa, Hanaoka-machi, Odate, Akita, 017-0005 Japan
TEL : +81-186-46-2575
FAX : +81-186-46-2103
MAP
DOWA TECHNO RESEARCH CO., LTD.
60-1, Otarube, Kosakakouzan, Kosaka-machi, Kazuno, Akita, 017-0202 Japan
TEL : +81-186-29-2781
FAX : +81-186-29-2792
MAP
AKITA ENGINEERING CO., LTD.
123-1, Maeda, Hanaoka-machi, Odate, Akita, 017-0005 Japan
TEL : +81-186-46-1653
FAX : +81-186-46-1770
MAP
DOWA TECHNO ENGINEERING CO., LTD.
31-10, Chikkou-sakaemachi, Minami-ku, Okayama, 702-8609 Japan
TEL : +81-86-262-9208
FAX : +81-86-262-9218
MAP
YOWA ENGINEERING CO., LTD.
7-2, Chikkou-sakaemachi, Minami-ku, Okayama, 702-8053 Japan
TEL : +81-86-264-9034
FAX : +81-86-264-8412
MAP
DOWA KOHSAN CO., LTD.
31-10, Chikkou-sakaemachi, Minami-ku, Okayama, 702-8609 Japan
TEL : +81-86-262-1141
FAX : +81-86-264-2343
MAP

Page top

Environmental Management & Recycling

Head office

DOWA ECO-SYSTEM CO., LTD.
22F, Akihabara UDX, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo, 101-0021 Japan
TEL : +81-3-6847-1230
FAX : +81-3-6847-7027
MAP

Subsidiaries

Sales and transportaion

ECO-SYSTEM JAPAN CO., LTD.
22F, Akihabara UDX, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo, 101-0021 Japan
TEL : +81-3-6847-7010
FAX : +81-3-6847-7015
MAP

Waste treatment

ECO-SYSTEM AKITA CO., LTD.
42, Tsutsumisawa, Hanaoka-machi, Odate, Akita, 017-0005 Japan
TEL : +81-186-46-1436
FAX : +81-186-46-3628
MAP
ECO-SYSTEM CHIBA CO., LTD.
1-1-51, Nagaurataku, Sodegaura, Chiba, 299-0265 Japan
TEL : +81-438-62-4097
FAX : +81-438-62-4928
MAP
ECO-SYSTEM SANYO CO., LTD.
1125, Kichigahara, Misaki-cho, Kume, Okayama, 708-1523 Japan
TEL : +81-868-62-1346
FAX : +81-868-62-1345
MAP
OKAYAMA KOYU CO., LTD.
1048-1, Hinotani, Kichigahara, Misaki-cho, Kume, Okayama, 708-1523 Japan
TEL : +81-869-64-2775
FAX : +81-869-64-2598
MAP
MELTEC Ltd.
2333-29, Atago, Yana, Oyama, Tochigi, 323-0158 Japan
TEL : +81-285-49-1080
FAX : +81-285-49-1084
MAP
MELTEC IWAKI Co., Ltd.
1-75, Yoshinosawa, Yotsukura-machi, Iwaki, Fukushima, 979-0201 Japan
TEL : +81-246-84-9507
FAX : +81-246-84-9508
MAP
GREEN FILL KOSAKA CO., LTD.
60-1, Otarube, Kosakakouzan, Kosaka-machi, Kazuno, Akita, 017-0202 Japan
TEL : +81-186-29-2924
FAX : +81-186-29-2964
MAP
HOKUSHU KANKYOU SERVICES CO., LTD.
42, Tsutsumisawa, Hanaoka-machi, Odate, Akita, 017-0005 Japan
TEL : +81-186-47-1017
FAX : +81-186-47-1018
MAP
KOWA SEIKO CO., LTD.
46-93, Sakinohama, Nakabaru, Tobata-ku, Kitakyusyu, Fukuoka, 804-0002 Japan
TEL : +81-93-872-5155
FAX : +81-93-873-1030
MAP

Soil remediation

ECO-SYSTEM HANAOKA CO., LTD.
42, Tsutsumisawa, Hanaoka-machi, Odate, Akita, 017-0005 Japan
TEL : +81-186-46-2311
FAX : +81-186-46-1651
MAP
GEOTECHNOS CO., LTD.
14F, Tokyo Sky Tree East Tower, 1-1-2, Oshiage, Sumida-ku, Tokyo, 131-0045 Japan
TEL : +81-3-3626-4580
FAX : +81-3-3626-4581
MAP

Consulting

E&E Solutions Inc.
22F, Akihabara UDX, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo, 101-0021 Japan
TEL : +81-3-6328-0080
FAX : +81-3-5295-2051
MAP

Metal recycling

ECO-SYSTEM RECYCLING CO., LTD.
1781-3, Nitte, Honjo, Saitama, 367-0002 Japan
TEL : +81-495-21-1982
FAX : +81-495-24-8406
MAP

Home appliances recycling

ECO-RECYCLE CO., LTD.
30-2, Doyashiki, Hanaoka-machi, Odate, Akita, 017-0005 Japan
TEL : +81-186-47-1001
FAX : +81-186-47-1002
MAP
Act-B Recycling Co., Ltd.
278-6, Shiohama-cho, Minamata, Kumamoto, 867-0067 Japan
TEL : +81-966-62-3300
FAX : +81-966-62-3338
MAP

Automobile recycling

AUTO RECYCLE AKITA CO., LTD.
96, Sugisawa, Kosakakouzan, Kosaka-machi, Kazuno, Akita, 017-0202 Japan
TEL : +81-186-30-7313
FAX : +81-186-29-5185
MAP
ECO-SYSTEM OKAYAMA CO., LTD.
1-3-1, Kaigan-dori, Minami-ku, Okayama, 702-8506 Japan
TEL : +81-86-262-9020
FAX : +81-86-262-0271
MAP
ECO-SYSTEM KOSAKA CO., LTD.
60-1, Otarube, Kosakakouzan, Kosaka-machi, Kazuno, Akita, 017-0202 Japan
TEL : +81-186-29-2962
FAX : +81-186-29-5888
MAP

BDF manufactuaring

BIODIESEL OKAYAMA CO., LTD.
1-3-1, Kaigan-dori, Minami-ku, Okayama, 702-8506 Japan
TEL : +81-86-261-6050
FAX : +81-86-261-6051
MAP

Logistics

DOWA TSUUN CO., LTD.
69-1, Nakada, Sakurakawa, Mizusawa-ku, Oshu, Iwate, 023-0003 Japan
TEL : +81-197-25-5353
FAX : +81-197-24-8443
MAP

Laboratory

Research and Development center
65-1, Omoriyamashita, Hanaoka-machi, Odate, Akita, 017-0005 Japan
TEL : +81-186-46-2323
FAX : +81-186-46-1305
MAP

Page top

Nonferrous Metals

Head office

DOWA METALS & MINING CO., LTD.
22F, Akihabara UDX, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo, 101-0021 Japan
TEL : +81-3-6847-1200
FAX : +81-3-6847-7022
MAP

Subsidiaries

Precious metals and copper

KOSAKA SMELTING & REFINING CO., LTD.
60-1, Otarube, Kosakakouzan, Kosaka-machi, Kazuno, Akita, 017-0202 Japan
TEL : +81-186-29-2700
FAX : +81-186-29-5200
MAP
AKITA RECYCLE & FINEPACK CO., LTD.
76-1, Otarube, Kosakakouzan, Kosaka-machi, Kazuno, Akita, 017-0202 Japan
TEL : +81-186-29-3467
FAX : +81-186-29-3466
MAP

Platinum group metals recycling

NIPPON PGM CO., LTD.
76-1, Otarube, Kosakakouzan, Kosaka-machi, Kazuno, Akita, 017-0202 Japan
TEL : +81-186-29-2744
FAX : +81-186-29-2722
MAP

Zinc

ZINC EXCEL CO., LTD.
22F, Akihabara UDX, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo, 101-0021 Japan
TEL : +81-3-6847-1270
FAX : +81-3-6847-1280
MAP
AKITA ZINC CO., LTD.
217-9, Furumichi-shimokawabata, Iijima, Akita, 011-0911 Japan
TEL : +81-18-846-1121
FAX : +81-18-845-9051
MAP
AKITA RARE METALS CO., LTD.
217-9, Furumichi-shimokawabata, Iijima, Akita, 011-0911 Japan
TEL : +81-18-846-1794
FAX : +81-18-845-9051
MAP
AKITA ZINC RECYCLING CO., LTD.
217-9, Furumichi-shimokawabata, Iijima, Akita, 011-0911 Japan
TEL : +81-18-846-7918
FAX : +81-18-845-9051
MAP
AKITA ZINC SOLUTIONS CO., LTD.
1, Sunada, Iijima, Akita, 011-0911 Japan
TEL : +81-18-845-6069
FAX : +81-18-845-8037
MAP

Sulfuric acid

Acids Co., Ltd.
Daiwa Shinbashi 510 Building, 5-10-5, Shinbashi, Minato-ku, Tokyo, 105-0004 Japan
TEL : +81-3-6402-7531
FAX : +81-3-3437-0223
MAP

Laboratory

Metallurgical laboratory
60-1, Otarube, Kosakakouzan, Kosaka-machi, Kazuno, Akita, 017-0202 Japan
TEL : +81-186-29-2701
FAX : +81-186-29-2955
MAP

Page top

Electronics Materials

Head office

DOWA ELECTRONICS MATERIALS CO., LTD.
22F, Akihabara UDX, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo, 101-0021 Japan
TEL : +81-3-6847-1250
FAX : +81-3-6847-7018
MAP

Subsidiaries

Semiconductors

DOWA SEMICONDUCTOR AKITA CO., LTD.
1, Sunada, Iijima, Akita, 011-0911 Japan
TEL : +81-18-846-8000
FAX : +81-18-846-9478
MAP

Electronics Materials

DOWA HIGHTECH CO., LTD.
1781, Nitte, Honjo, Saitama, 367-0002 Japan
TEL : +81-495-21-6111
FAX : +81-495-21-6116
MAP

Advanced fine materials

DOWA ELECTRONICS MATERIALS OKAYAMA CO., LTD.
1-3-1, Kaigan-dori, Minami-ku, Okayama, 702-8506 Japan
TEL : +81-86-262-1121
FAX : +81-86-262-1033
MAP
DOWA IP CREATION CO., LTD.
7, Chikkou-sakaemachi, Minami-ku, Okayama, 702-8053 Japan
TEL : +81-86-262-2228
FAX : +81-86-264-7382
MAP
DOWA F-TEC CO., LTD.
1045, Kichigahara, Misaki-cho, Kume, Okayama, 708-1523 Japan
TEL : +81-868-62-1144
FAX : +81-868-62-1146
MAP

Laboratory

Semiconductor materials laboratory
1, Sunada, Iijima, Akita, 011-0911 Japan
TEL : +81-18-846-8000
FAX : +81-18-846-9478
MAP
Electronics materials laboratory
1781, Nitte, Honjo, Saitama, 367-0002 Japan
TEL : +81-495-22-1706
FAX : +81-495-22-1708
MAP
Advanced fine materials laboratory
1-3-1, Kaigan-dori, Minami-ku, Okayama, 702-8506 Japan
TEL : +81-86-262-1121
FAX : +81-86-262-1033
MAP

Page top

Metal Processing

Head office

DOWA METALTECH CO., LTD.
22F, Akihabara UDX, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo, 101-0021 Japan
TEL : +81-3-6847-1252
FAX : +81-3-6847-1261
MAP

Subsidiaries

Metal processing

HOEI SHOJI CO., LTD.
1598-1, Kotehashi-cho, Hanamigawa-ku, Chiba, 262-0013 Japan
TEL : +81-43-286-2601
FAX : +81-43-286-2621
MAP
DOWA METAL CO., LTD.
767, Matsunokishima, Iwata, Shizuoka, 438-0125 Japan
TEL : +81-539-62-3131
FAX : +81-539-62-3996
MAP
DOWA METANIX CO., LTD.
2630, Shingai, Iwata, Shizuoka, 438-0025 Japan
TEL : +81-538-32-7138
FAX : +81-538-32-9008
MAP
NEW NIPPON BRASS CO., LTD.
5844-3, Kamakazu, Asahi, Chiba, 289-2505 Japan
TEL : +81-479-62-0444
FAX : +81-479-62-0404
MAP

Electroplating

DOWA HIGHTECH CO., LTD.
1781, Nitte, Honjo, Saitama, 367-0002 Japan
TEL : +81-495-21-6111
FAX : +81-495-21-6116
MAP

Metal-ceramic substrates

DOWA POWER DEVICE CO., LTD.
Shiojiri-inter Rinkan Industrial Zone, 9637-3, Manaitahara, Kataoka, Shiojiri, Nagano, 399-0711 Japan
TEL : +81-263-53-0770
FAX : +81-263-53-1770
MAP

Laboratory

Technology center (metal processing)
767, Matsunokishima, Iwata, Shizuoka, 438-0125 Japan
TEL : +81-539-62-3735
FAX : +81-539-62-3762
MAP
Technology center (electroplating)
1781, Nitte, Honjo, Saitama, 367-0002 Japan
TEL : +81-495-24-7903
FAX : +81-495-22-0041
MAP

Page top

Heat Treatment

Head office

DOWA THERMOTECH CO., LTD.
19-1, Ukishima-cho, Mizuho-ku, Nagoya, Aichi, 467-0854 Japan
TEL : +81-52-693-0800
FAX : +81-52-693-0682
MAP

Subsidiaries

Industrial furnace

DOWA THERMOENGINEERING CO., LTD.
19-1, Ukishima-cho, Mizuho-ku, Nagoya, Aichi, 467-0854 Japan
TEL : +81-52-691-9321
FAX : +81-52-692-3886
MAP
DOWA THERMOENGINEERING CO., LTD.
Hamamatsu-kita plant
5-2-1, Somejidai, Hamakita-ku, Hamamatsu, Shizuoka, 434-0046 Japan
TEL : +81-53-586-8041
FAX : +81-53-586-8057
MAP

Heat treatment processing

DOWA THERMOENGINEERING CO., LTD. Ota plant
997-20, Wakiya-cho, Ota, Gunma, 373-0031 Japan
TEL : +81-276-32-5800
FAX : +81-276-32-5820
MAP
DOWA THERMOENGINEERING CO., LTD. Moka plant
17, Kinugaoka, Moka, Tochigi, 321-4367 Japan
TEL : +81-285-82-7131
FAX : +81-285-84-2029
MAP
DOWA THERMOENGINEERING CO., LTD. Hamamatsu plant
2-27-1, Aoinishi, Naka-ku, Hamamatsu, Shizuoka, 433-8111 Japan
TEL : +81-53-436-5501
FAX : +81-53-437-0335
MAP
DOWA THERMOENGINEERING CO., LTD. Chukyo-handa plant
1-12, Shiohi-cho, Handa, Aichi, 475-0032 Japan
TEL : +81-569-29-4861
FAX : +81-569-29-4871
MAP
DOWA THERMOENGINEERING CO., LTD. Shiga plant
1848-10, Shimoda, Konan, Shiga, 520-3201 Japan
TEL : +81-748-75-1991
FAX : +81-748-75-5481
MAP
CEMM CO., LTD.
19-1, Ukishima-cho, Mizuho-ku, Nagoya, Aichi, 467-0854 Japan
TEL : +81-52-693-0181
FAX : +81-52-694-5337
MAP
TONETSU KOHSAN CO., LTD.
2-102, Sunosaki-cho, Handa, Aichi, 475-0021 Japan
TEL : +81-569-89-2301
FAX : +81-569-89-2302
MAP

Page top

COPYRIGHT © DOWA HOLDINGS Co., Ltd All right reserved.