Sumitomo Electric Asia Ltd.,
- Address: Rm2624-2637, Sun Hung Kai Centre, 30 Harbour Road, Wanchai, Hong Kong.
- Tel: 852-2576 0080
- Fax: 852-2576 6412
Oceania Regional Branch (Australia, New Zealand)
- Address: C/O 8 Comalco Court, Thomastown 3074, VIC, Australia
- Tel: +61 (0)3 8401 2840
- Fax: -
Sumiden Asia (Shenzhen) Co., Ltd
- Address: Rm 3407-3410, Tower 4, Excellence Century Center, Fuhua 3 Rd, Futian District, 518033
- Tel: 0755- 8270 6880
- Fax: 0755- 8270 6660
Beijing Branch
- Address: Room 1910, 19F, Beijing Fortune Building, No.5 DongSanHuanBei Road, ChaoYang District, Beijing, 100004
- Tel: 010-6590 8196
- Fax: 010-6590 8195
Shanghai Branch
- Address: Room A2, 22/F V-Capital Mansion, No. 333 Xianxia Road, Shanghai, 200336
- Tel: 021-6235 1036
- Fax: 021-6235 1703
Wuhan Branch
- Address: Room 137, 5/F, Tower B, Optics New Development International, 473 Guan Shan Avenue, Hongshan District ,Wuhan, Hubei, 430070
- Tel: 27-8760 6686
- Fax: -