Operating Companies
| Dowa Eco-System Co., Ltd. Environmental management and recycling |
22F, Akihabara UDX Bldg., 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 | TEL: 81-3-6847-1230 FAX: 81-3-6847-1240 |
|---|---|---|
| Dowa Metals & Mining Co., Ltd. Nonferrous metals |
TEL: 81-3-6847-1200 FAX: 81-3-6847-1210 |
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| Dowa Electronics Materials Co., Ltd. Electronic materials |
TEL: 81-3-6847-1250 FAX: 81-3-6847-1260 |
|
| Dowa Metaltech Co., Ltd. Metal-processing |
TEL: 81-3-6847-1252 FAX: 81-3-6847-1261 |
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| Dowa Thermotech Co., Ltd. Heat treatment |
TEL: 81-3-6847-1170 FAX: 81-3-6847-1281 |
Business Support Companies
| Dowa Management Services Co., Ltd. Consigned operations related to accounting and information systems, general affairs, and materials procurement |
22F, Akihabara UDX Bldg., 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 TEL: 81-3-6847-1151 FAX: 81-3-6847-1161 |
|---|---|
| Dowa Technology Co., Ltd. Support for heightening the Dowa Group’s business and technological capabilities |
22F, Akihabara UDX Bldg., 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 TEL: 81-3-6847-1105 FAX: 81-3-6847-1161 |
Operating Subsidiaries
Subsidiaries Affiliated with Dowa Eco-system
| E & E Solutions Inc. Comprehensive technological consulting in environmental management and energy |
Akihabara UDX Bldg., 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 TEL: 81-3-6328-0080 FAX: 81-3-5295-2051 |
|---|---|
| Eco-System Akita Co., Ltd. Complete processing of industrial waste, resource recycling |
42 Tsutsumisawa, Hanaoka-machi, Odate-shi, Akita 017-0005 TEL: 81-186-46-1436 FAX: 81-186-46-3628 |
| Eco-System Chiba Co., Ltd. Industrial waste processing |
1-1-51, Nagaurataku, Sodegaura-shi, Chiba 299-0265 TEL: 81-438-62-4097 FAX: 81-438-62-4928 |
| Kowa Seiko Co., Ltd. Industrial waste processing, recovery of ferrous and nonferrous materials |
46-93, Nakabaru, Tobata-ku, Kitakyushu-shi, Fukuoka 804-0002 TEL: 81-93-872-5155 FAX: 81-93-873-1030 |
| Eco-System Hanaoka Co., Ltd. Soil remediation, industrial waste processing, resource recycling |
42 Tsutsumisawa, Hanaoka-machi, Odate-shi, Akita 017-0005 TEL: 81-186-46-2311 FAX: 81-186-46-1651 |
| Geotechnos Co., Ltd. Soil surveys and remediation projects, environmental consulting (overseas assistance, ODA, geological surveys) |
2-22-7, Kameido, Koto-ku, Tokyo 136-0071 TEL: 81-3-3683-5141 FAX: 81-3-3683-5142 |
| Eco-System Recycling Co., Ltd. Recovery of precious and nonferrous metals; leasing, operation, and maintenance of recovery equipment |
1718-3, Nitte, Honjou-shi, Saitama 367-0002 TEL: 81-495-21-1982 FAX: 81-495-24-8406 |
| Eco-Recycle Co., Ltd. Remanufacturing and reprocessing of used consumer electronics and appliances, and used office products |
30-2, Douyashiki, Hanaoka-machi, Odate-shi, Akita 017-0005 TEL: 81-186-47-1001 FAX: 81-186-47-1002 |
| Act-B recycling Co., Ltd. Remanufacturing and reprocessing of used consumer electronics and appliances, and used office products |
278-6, Shiohama-cho, Minamata-shi, Kumamoto 867-0067 TEL: 81-966-62-3300 FAX: 81-966-62-3338 |
| Eco-System Japan Co., Ltd. Collection, transport, and processing of industrial waste, specially controlled industrial waste |
22F, Akihabara UDX Bldg., 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 TEL: 81-3-6847-7010 FAX: 81-3-6847-7015 |
| Dowa-Tsuun Co., Ltd. Land transport, shipping, and warehousing |
69-1, Nakada, Sakurakawa, Mizusawa-ku, Oushu-shi, Iwate 023-0003 TEL: 81-197-25-5353 FAX: 81-197-24-8443 |
| Okayama Koyu Co., Ltd. Cargo handling and warehousing at Okayama Bay; real estate management |
1048-1, Hinotani, Kichigahara, Misaki-cho, Kume-gun, Okayama 708-1523 TEL: 81-869-64-2775 FAX: 81-869-64-2598 |
| Dowa Environmental Management Co., Ltd. Metal recycling and waste processing |
28 Sanzhen Road, Suzhou New District, Suzhou, Jiangsu, China 215129 TEL: 86-512-8518-8100 FAX: 86-512-8518-8108 |
| Eco-System Kosaka Co., Ltd. Industrial waste processing; recovery of ferrous and nonferrous materials |
60-1, Otarube, Kosakakouzan, Kosaka-machi, Kazuno-gun, Akita 017-0202 TEL: 81-186-29-2700 FAX: 81-186-29-5200 |
| Eco-System Okayama Co., Ltd. Industrial waste processing; recovery of ferrous and nonferrous materials |
1-3-1, Kaigan-dori, Okayama-shi, Okayama 702-8506 TEL: 81-86-262-9020 FAX: 81-86-262-0271 |
| Eco-System Sanyo Co., Ltd. Total industrial waste processing; resource recycling |
1125, Kichigahara, Misaki-cho, Kume-gun, Okayama 708-1523 TEL: 81-868-62-1346 FAX: 81-868-62-1345 |
| Green Fill Kosaka Co., Ltd. Disposal of industrial and general waste (Final disposal) |
60-1, Otarube, Kosakakouzan, Kosaka-machi, Kazuno-gun, Akita 017-0202 TEL: 81-186-29-2924 FAX: 81-186-29-2964 |
| Auto Recycle Akita Co., Ltd. Remanufacturing and reprocessing of used automobiles |
96, Sugisawa, Kosakakouzan, Kosaka-machi, Kazuno-gun, Akita 017-0202 TEL: 81-186-30-7313 FAX: 81-186-29-5185 |
| Meltec Co., Ltd. Melting and recycling of incinerated ash, manufacture and sale of artificial aggregate |
2333-29 Atago, Yana, Oyama-shi, Tochigi 323-0158 TEL: 81-285-49-1080 FAX: 81-285-49-1084 |
| MAEH (Modern Asia Environmental Holdings,Inc.) WMS (Waste Management Siam Ltd.) |
Central City Tower 1,25th floor, 1093/142 Bangna-Trad(k.m.3)Road, Kwaeng Bangna, Khet Bangna, Bangkok 10260,Thailand TEL: 66-2-745-6926-7 FAX: 66-2-745-6928 |
| ESBEC（Eastern Seaboard Environmental Complex Co.,Ltd.） |
88 moo 8 Tamborn Bowin, Amphur Sriracha Chonburi 20230 Thailand TEL : 66-38-346-364-7 FAX : 66-38-346-368 |
| TEC（Technochem Environmental Complex Pte. Ltd.） |
23 Tuas Avenue 11, Singapore 639086 TEL : 65-6862-3130 FAX : 65-6861-1873 |
| PPLi（P.T. Prasadha Pamunah Limbah Industri） |
Jl. Raya-Narogong Desa Nambo PO Box 18-Cileungsi, Bogor 16820 Indonesia TEL : 62-21-867-4042 FAX : 62-21-867-4043 |
Subsidiaries Affiliated with Dowa Metals & Mining
| Akita Zinc Co., Ltd. Zinc smelting, sulfuric acid manufacturing |
217-2, Furumichi-Shimokawabata, Iijima, Akita-shi, Akita 011-0911 TEL: 81-18-846-1121 FAX: 81-18-845-9051 |
|---|---|
| Akita Zinc Solutions Co., Ltd. Consignment manufacturing of tailored zinc, zinc alloy, zinc wire, and other products |
1 Sunada, Iijima, Akita-shi, Akita 011-0911 TEL: 81-18-845-6069 FAX: 81-18-845-8037 |
| Akita Zinc Recycling Co., Ltd. Recover zinc from iron and steel dust |
1 Sunada, Iijima, Akita-shi, Akita 011-0911 TEL: 81-18-846-7918 FAX: 81-18-845-9061 |
| Akita Recycle & Finepack Co., Ltd. Preprocessing of materials for smelting, plastic resin packing material, manufacturing and sale of materials |
76-1 Otarube, Kosakakouzan, Kosaka-machi, Kazuno-gun, Akita 017-0202 TEL: 81-186-29-3467 FAX: 81-186-29-3466 |
| Akita Rare Metals Co., Ltd. Recovery of gallium, indium, and other materials |
1 Sunada, Iijima, Akita-shi, Akita 011-0911 TEL: 81-18-846-1794 FAX: 81-18-845-9051 |
| Acids Co., Ltd. Sale of sulfuric acid, sodium bisulfite, ferrous sulfate, gypsum, etc. |
Da Vinci Shimbashi 510 Bldg., 5-10-5, Shimbashi, Minato-ku, Tokyo 105-0004 TEL: 81-3-6402-7531 FAX: 81-3-3437-0223 |
| Kosaka Smelting & Refining Co., Ltd. Copper and lead smelting, sulfuric acid manufacturing |
60-1 Otarube, Kosakakouzan, Kosaka-machi, Kazuno-gun, Akita 017-0202 TEL: 81-186-29-2700 FAX: 81-186-29-5200 |
| Zinc Excel Co., Ltd. Sale of lead, zinc, bismuth, cadmium, tellurium, tailored zinc for plating, zinc alloy for diecasting, zinc powder, corrosion-proof zinc, rub-resistant zinc alloys, zinc anodes, zinc wire, etc. |
Akihabara UDX Bldg., 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 TEL: 81-3-6847-1270 FAX: 81-3-6847-1280 |
| Nippon PGM Co., Ltd. Manufacturing and sale of platinum group metals using disposable catalysts |
76-1 Otarube, Kosakakouzan, Kosaka-machi, Kazuno-gun, Akita 017-0202 TEL: 81-186-29-2744 FAX: 81-186-29-2722 |
| Nippon PGM America Inc. Crushing, material sampling, and transport of disposable catalysts |
500 Richards Run, Burlington NJ08016, USA TEL: 1-609-747-9994 FAX: 1-609-747-8245 |
| Minera Tizapa, S.A. de C.V. Nonferrous metals |
Calzada Manuel Gómez Morín #44 Col. Torreón Residencial C.P. 27268, Torreón, Coahulia México TEL: 52-871-729-3442 FAX: 52-871-729-3327 |
Subsidiaries Affiliated with Dowa Electronics Materials
| Dowa Electronics Materials Okayama Co., Ltd. Manufacturing of metal powder, copper powder, and barium sulfate |
1-3-1, Kaigan-dori, Minami-ku, Okayama-shi, Okayama 702-8506 TEL: 81-86-262-1121 FAX: 81-86-262-1033 |
|---|---|
| Dowa IP Creation Co., Ltd. Manufacturing of solvents, powdered metals, and iron powder for use in copiers |
7, Chikkousakae-machi, Minami-ku, Okayama-shi, Okayama 702-8053 TEL: 81-86-262-2228 FAX: 81-86-264-7382 |
| Dowa Hightech Co., Ltd. Manufacturing and surface treatment of metal compounds, finished metal goods, chemical products, and electronic components |
1718, Nitte, Honjou-shi, Saitama 367-0002 TEL: 81-495-21-6111 FAX: 81-495-21-6116 |
| Dowa Semiconductor Akita Co., Ltd. Manufacturing of high-purity metal materials, compound semiconductor substrates, and light-emitting diodes |
1, Sunada Iijima, Akita-shi, Akita 011-0911 TEL: 81-18-846-8000 FAX: 81-18-846-9478 |
| Dowa F-Tec Co., Ltd. Ferrite powder manufacturing |
1045, Kichigahara, Misaki-cho, Kume-gun, Okayama 708-1523 TEL: 81-868-62-1144 FAX: 81-868-62-1146 |
Subsidiaries Affiliated with Dowa Metaltech
| Dowa Power Device Co., Ltd. Circuit board manufacturing |
Shiojiri Interchange Rinkan Kougyou Danchi, 9637-3, Manaitahara, Oazakataoka, Shiojiri-shi, Nagano 399-0711 TEL: 81-263-53-0770 FAX: 81-263-53-1770 |
|---|---|
| New Nippon Brass Co., Ltd. Manufacturing and sale of various types of brass bar and forged products |
5844-3, Kamakazu, Asahi-shi, Chiba 289-2505 TEL: 81-479-62-0444 FAX: 81-479-62-0404 |
| Dowa Metal Co., Ltd. Manufacturing of copper and brass bars, and other copper strip products |
767, Matsunokijima, Iwata-shi, Shizuoka 438-0125 TEL: 81-539-62-3131 FAX: 81-539-62-3996 |
| Dowa Metanix Co. Ltd. Manufacturing and sale of Nickel and copper alloys, and electronic components |
2630, Shingai, Iwata-shi, Shizuoka 438-0025 TEL: 81-538-32-7138 FAX: 81-538-32-9008 |
| DOWA-OLIN METAL CORPORATION Manufacturing and sale of special copper alloys |
2630, Shingai, Iwata-shi, Shizuoka 438-0025 TEL: 81-538-37-5111 FAX: 81-538-37-0147 |
| Hoei Shoji Co., Ltd. Processing and sale of copper strip products and aluminum products |
1598-1, Kotehashi-cho, Hanamigawa-ku, Chiba-shi, Chiba 262-0013 TEL: 81-43-286-2601 FAX: 81-43-286-2621 |
| Dowa Hightech Co., Ltd. Manufacturing and surface treatment of metal compounds and finished metal goods, chemical products and electronic parts |
1718, Nitte, Honjou-shi, Saitama 367-0002 TEL: 81-495-21-6111 FAX: 81-495-21-6116 |
| Dowa Advanced Materials (Shanghai) Co., Ltd. Processing and sale of copper strip products |
No.7 Studio, 8 Rongxiang Road, Shanghai Songjiang Export Processing Zone, Shanghai, China TEL: 86-21-5774-8118 FAX: 86-21-5774-8338 |
Subsidiaries Affiliated with Dowa Thermotech
| Dowa Thermoengineering Co., Ltd. Design and manufacturing of heat treatment equipment Maintenance of heat treatment equipment and upgrade technology Heat treatment (carburizing, gas nitrocarburizing, and solution heat treatment, aging, and vacuum brazing of aluminum) Surface treatment (TD, Corbett, Sur-Sulf, PVD) Surface treatment (shot peening) |
22F, Akihabara UDX Bldg., 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 TEL: 81-3-6847-1170 FAX: 81-3-6847-1281 |
|---|---|
| Tonetsu Kosan Co., Ltd. Trading, international business, leasing business, real estate business, public relations and advertising, travel and leisure business, transport business |
2-6-26, Minowa-cho, Kouhoku-ku, Yokohama-shi, Yokohama 223-0051 TEL: 81-45-565-2031 FAX: 81-45-565-2035 |
| Dowa THT America, Inc. Heat treatment of metals on consignment |
2130 South Woodland Circle, Bowling Green, Ohio
43402, USA TEL: 1-419-354-4144 FAX: 1-419-354-6479 |
| CEMM Co., Ltd. Heat treatment of metals; design and production of heat treatment equipment |
19-1, Ukishima-cho, Miizuho-ku, Nagoya-shi, Nagoya 467-0854 TEL: 81-52-693-0181 FAX: 81-52-694-5337 |
Other Subsidiaries
| Unekura Mining Co., Ltd. Management of abandoned mines; pit wastewater treatment |
70 Tsutsumisawa, Hanaoka-machi, Odate-shi, Akita 017-0005 TEL: 81-186-46-2575 FAX: 81-186-46-2565 |
|---|---|
| Dowa Tecno-Reseach Co., Ltd. Environmental measurement , working environment measurement certification business, consigned general analysis, geoscientific analysis, research for the mining and manufacturing industries, and development of new analysis technology |
60-1, Otarube, Kosakakouzan, Kosaka-machi, Kazuno-gun, Akita 017-0202 TEL: 81-186-29-2781 FAX: 81-186-29-2792 |
| Akita Kouei Co., Ltd. General civil engineering projects, construction products, electricity business, plant maintenance business, drilling business, vehicle maintenance business |
2-2-8, Onari-cho, Odate-shi, Alkita 017-0044 TEL: 81-186-49-4152 FAX: 81-186-49-4154 |
| Dowa Techno Engineering Co., Ltd. Plant construction |
31-10, Chikkou-sakaemachi, Okayama-shi, Okayama 702-8609 TEL: 81-86-262-9208 FAX: 81-86-262-9218 |
| Yowa Kouei Co., Ltd. Civil engineering projects, construction projects, scaffolding and civil engineering projects, machinery, tool, and facility installation projects, electrical projects, tile, brick, and cinder block projects, residential real estate brokerage |
7-2 Chikkou-sakaemachi, Okayama-shi, Okayama 702-8609 TEL: 81-86-264-9034 FAX: 81-86-264-8412 |
| Dowa Kohsan Co., Ltd. Consigned management of golf courses, office buildings, condominiums, and apartment buildings; agency business |
22F, Akihabara UDX Bldg., 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 TEL: 81-3-6847-1272 FAX: 81-3-6847-1281 |
| Dowa International Corporation Information gathering, marketing, and import/export operations |
370 Lexington Avenue, New York, NY 10017-6503, U.S.A. TEL: 1-212-697-3217 FAX: 1-212-697-3902 |
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