| Head Office | 3-13-5 Nishiwaseda, Shinjuku-ku, Tokyo 169-8612  | TEL +81-3-3208-3111 FAX +81-3-3208-3127 |
| International Project Department | ||
| São Paulo Office | Rua Castro Alves, 527, Aclimação, São Paulo - SP, CEP 01532-001,Brasil CKC Consultoria de Engenharia Ltda. | TEL +55-11-3208-9610 FAX +55-11-3208-9610 |
Group company
Land and Water Group Holdings Corporation
3-13-5 Nishiwaseda, Shinjuku-ku, Tokyo 169-8612
TEL +81-3-5291-7377
Nikken Shoji Corporation
14-1 Yotsuyahonsiocho, Shinjuku-ku, Tokyo,160-0003
TEL +81-3-3226-3651
Chengdu-Dongzhong
四川省成都市高新区天府大道中段500号1栋C座3421
TEL +86-28-85553878
Hokusui Sekkei Consul Corporation
9-2 Kitaroku-jonishi, Sapporo Shi Kita Ku, Hokkaido, 060-0806
TEL +86-11-737-6232