Sumitomo Wiring Systems, Ltd. Business Report FY ended Mar. 2018

R&D Facilities

Name Location
Utsunomiya Engineering Center Tochigi Pref., Japan
Hino Engineering Center Tokyo, Japan
Atsugi Engineering Center Kanagawa Pref., Japan
Hamamatsu Engineering Center Shizuoka Pref., Japan
Susono Engineering Center Shizuoka Pref., Japan
Toyota Development & Engineering Center Aichi Pref., Japan
Okazaki Engineering Center Aichi Pref., Japan
Kariya Engineering Center Aichi Pref., Japan
Osaka Engineering Center Osaka, Japan
Hiroshima Engineering Center Hiroshima Pref., Japan
Kyushu Engineering Center Fukuoka Pref., Japan
AutoNetworks Technologies, Ltd. Mie Pref., Japan
SEWS Mexico S.A. de C.V. Aguascalientes, Mexico
SEI ANTech-Europe GmbH Mainz-Kastel, Germany
SUMI REMA EV Solutions GmbH Bonn, Germany
SEWS-CABIND S.p.A. Collegno, Italy
SEWS-STC Co., Ltd. Shanghai, China
Kaifeng Rijin Wiring Systems Co., Ltd. Henan, China
Sumidenso Automotive Technologies Asia Corporation St. Clark Freeport Zone, Philippines
SEWS-Asia Technical Center Bangkok, Thailand

MarkLines Customer Support

9:00 a.m. - 5:30 p.m. Mon.-Fri. (excluding national holidays)
japan Japan
Nagata-cho, Chiyoda-ku, Tokyo, Japan
+81-3-4241-3907
USA USA
Southfield, Michigan, USA
+1-248-327-6987
MEX Mexico
León Guanajuato, Mexico
+52-477-796-0560
DEU Germany
Frankfurt am Main, Germany
+49-69–904-3870-0
CHN China (Shanghai)
Huangpu District, Shanghai, China
+86-21-6212-6562
CHN China (Shenzhen)
Nanshan District, Shenzhen, Guangdong
+86-755-2267-1725
THA Thailand
Klongtoey, Bangkok, Thailand
+66-2-665-2840
IND India
Gurgaon, Haryana, India
+91-124-4048779