Supporting every aspect of agriculture from fertilizer to
agricultural products and chemicals

Business Sites

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  • Company Information
  • Business Sites & Affiliated Companies

Business Sites

Head Office

〒541-0051
Osaka Tiger Bldg. 5F, 3-4, 4 Chome, Bingo Machi, Chuo-ku, Osaka CityMAP
TEL: 81-6-6231-3771
FAX: 81-6-6231-1988

Production Bases

Kyushu factory

〒808-0021
12-3, 1 Chome, Hibiki Machi, Wakamatsu-ku, Kitakyushu CityMAP
TEL: 81-93-771-1110
FAX: 81-93-771-8688

Wakayama factory

〒641-0036
1660-377, Nishihama, Wakayama CityMAP
TEL: 81-73-445-1861
FAX: 81-73-445-2875

Iwaki factory

〒971-8124
10-3, Aza Sunada, Onahama Sumiyoshi, Iwaki City, FukushimaMAP
TEL: 81-246-58-7869
FAX: 81-246-58-6126

Okayama factory

〒716-1321
2294-57, Ukan, Ukan Cho, Takahashi City, OkayamaMAP
TEL: 81-866-57-9850
FAX: 81-866-57-9845

Sales Sites

Hokkaido Branch Office

〒080-0015
2nd Isaki Bldg. 4F, 8-1, 13 Chome, Nishi-5 jo-Minami, Obihiro City, HokkaidoMAP
TEL: 81-155-28-2500
FAX: 81-155-23-1007

Tokyo Branch Office

〒101-0032
New Nakano Bldg. 3-1, 1 Chome, Iwamoto Cho, Chiyoda-ku, TokyoMAP
TEL: 81-3-5835-1182
FAX: 81-3-3861-2811

Wakayama Branch Office

〒641-0036
1660-377, Nishihama, Wakayama CityMAP
TEL: 81-73-445-2849
FAX: 81-73-445-2875

Chugoku / Shikoku Branch Office

〒716-1321
2294-57, Ukan, Ukan Cho, Takahashi City, OkayamaMAP
TEL: 81-866-57-9850
FAX: 81-866-57-9845

Kyushu Branch Office

〒808-0021
12-3, 1 Chome, Hibiki Machi, Wakamatsu-ku, Kitakyushu CityMAP
TEL: 81-93-771-1110
FAX: 81-93-771-8688

Sapporo Sales Office

〒060-0051
Hokkaido Japan-Italy Culture Hall 5F, 10-1, Minaimi 1 Jo HIgashi, Chuo-ku, Sapporo CityMAP
TEL: 81-11-223-2400
FAX: 81-11-218-7444

Sendai Sales Office

〒980-0811
Greenwood Sendai Ichiban Cho Bldg. 7F, 7-12, 2 Chome, Ichiban Cho, Aoba-ku, Sendai CityMAP
TEL: 81-22-212-1125
FAX: 81-22-266-0598

Shikoku Sales Office

〒781-0086
MK2 Bldg. 1F, 6-20 Ebinobaru, Kochi City, KochiMAP
TEL: 81-88-880-0020
FAX: 81-88-880-0021

Sanin Sales Office

〒689-3553
1417-1, Hiezu, Hiezu Mura, Saihaku Gun, TottoriMAP
TEL: 81-859-27-2559
FAX: 81-859-27-4645

Trading Bases

Overseas business headquarters

〒541-0051
Osaka Tiger Bldg. 6F, 3-4, 4 Chome, Bingo Machi, Chuo-ku, Osaka CityMAP
TEL: 81-6-6203-6811
FAX: 81-6-6229-0359

Overseas business headquarters: Tokyo Branch Office

〒101-0032
New Nakano Bldg. 3-1, 1 Chome, Iwamoto Cho, Chiyoda-ku, TokyoMAP
Located in the Seiwa Fertilizer Industry Co., Ltd., Tokyo Branch
TEL: 81-3-5835-1182
FAX: 81-3-3861-2811

Overseas business sites

Guizhou Seiwa Chemical Co., Ltd. Guizhou, China (joint venture)

Affiliated Companies

Wako Agricultural Materials Co., Ltd.

This manufacturer chiefly produces and sells fertilizers for forage crops, fertilizers for dairy farmers, soil improvement materials, and dairy-related materials.

Tokyo Sales Office

〒101-0032
New Nakano Bldg. 8F, 3-1, 1 Chome, Iwamoto Cho, Chiyoda-ku, TokyoMAP
TEL: 81-3-5835-1234
FAX: 81-3-3861-0770
E-MAIL:wakoh-urawa@shk-net.co.jp

Kyushuu Business Office

〒869-1102
5666-5, Ohaza Haramizu, Kikuyo Machi, Kikuchi Gun, KumamotoMAP
TEL: 81-96-292-3100
FAX: 81-96-292-3101
E-MAIL:wakoh-kyushu@shk-net.co.jp

Sansei Co., Ltd.

Count on us for liquid fertilizers.
This manufacturer produces and sells various liquid fertilizers, with a particular focus on amino acid foliar sprays.
It also provides agricultural know-how for producers.
Please call us if you have any questions.

Head Office

〒501-1151
149, 2 Chome, Kawabe, Gifu City, GifuMAP
TEL:81-58-239-1034
FAX:81-58-234-1002
E-MAIL:sansei@shk-net.co.jp

Seiwa Organic Production Association Ltd.

This company produces or procures and sells organic vegetables in Hokkaido.
It provides delicious healthy vegetables nourished by the products of a group of fertilizer manufacturers.

Head Office

〒080-0343
21-25, Nishi 7 Sen, Higashi Shikari, Otofuke Cho, Kato Gun, HokkaidoMAP
TEL:81-155-42-0831
FAX:81-155-42-2380
E-MAIL:seiwayuki@shk-net.co.jp

Seisho Co., Ltd.

This company sells fertilizers, soil improvement materials, agricultural chemicals, etc. manufactured by Seiwa Fertilizer, mainly in Fukuoka Prefecture.It also does retail sales.

Head Office

〒839-0806
3-12, Hiide Machi, Higashi Aikawa, Kurume City, FukuokaMAP
TEL:81-942-43-7794
FAX:81-942-43-8669
E-MAIL:seisyo@shk-net.co.jp

Sehi Nozai Co., Ltd.

This company sells fertilizers, soil improvement materials, agricultural chemicals, etc. manufactured by Seiwa Fertilizer, mainly in Kumamoto Prefecture.It also does retail sales.

Head Office

〒861-8002
8-21, 4 Chome, Yuge, Kita-ku, Kumamoto City, KumamotoMAP
TEL:81-96-338-1525
FAX:81-96-339-9507
Mail:seihi@shk-net.co.jp

Seiwa Shoji Co., Ltd.

This company sells fertilizers, soil improvement materials, agricultural chemicals, etc. manufactured by Seiwa Fertilizer, mainly in Nagasaki Prefecture.It also does retail sales.

Nagasaki Sales Office.

〒854-0063
2726-4, Kaizu Machi, Isahaya City, NagasakiMAP
TEL: 81-957-25-3822
FAX:81-957-25-3833
E-MAIL:nagasaki@shk-net.co.jp

Kotobuki Co., Ltd.

This fertilizer manufacturer produces pellets, “BBs”, blends, and paste fertilizers.
Its pellet fertilizer delivers a large percentage of its organic raw materials. It also sells “BB” fertilizer for the slow release of nutrients, mainly in the Kanto and Tohoku area.

East Japan Factory

〒971-8124
10-3, Aza Sunada, Onahama Sumiyoshi, Iwaki City, FukushimaMAP
TEL:81-246-58-7869
FAX:81-246-58-6126