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
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 1835, Block A 18F, Wuhan Poly Plaza, No 99 Zhongnan Road, Wuchang District, Wuhan, 430071
- Tel: 27-8760 6686
- Fax: 27-8760 6696