t , ▁an ▁optical ▁cable ▁which ▁began ▁commercial ▁production ; ▁Est ab lished ▁joint ▁research ▁on ▁“ Com mer cial ization ▁and ▁Const ruction ▁Technology ▁for ▁Off sh ore ▁Wind ▁Power ▁Generation ▁Pl ants ▁Regional ▁Prom otion ▁Aqu a - W ind ▁Com mer cial ization ▁Study ▁Group .” ▁▁ 2 0 1 3 ▁- ▁Con struct ed ▁manufact uring ▁base ▁for ▁autom ot ive ▁al umin um ▁electric ▁wire ▁in ▁Th ailand . ▁ ▁Business ▁Units ▁ ▁Sum it omo ▁Electric ▁and ▁its ▁global ▁subs idi aries ▁and ▁affili ates ▁undert ake ▁product ▁development , ▁manufact uring ▁and ▁market ing , ▁as ▁well ▁as ▁service ▁provision ▁in ▁the ▁five ▁business ▁divisions : ▁“ Autom ot ive ,” ▁“ Info communic ations ,” ▁“ E lect ron ics ,” ▁“ Environment ▁and ▁Energy ,” ▁and ▁“ Ind ust rial ▁Material s ▁& ▁O thers .” ▁ ▁Autom ot ive ▁The ▁autom ot ive ▁segment ▁accounts ▁for ▁ 5 0 % ▁of ▁Sum it omo ▁Electric ' s ▁annual ▁sales . ▁With ▁the ▁aim ▁of ▁real izing ▁an ▁autom ot ive ▁society ▁character ized ▁by ▁safety , ▁comfort , ▁and ▁environmental ▁responsibility , ▁Sum it omo ▁Electric ▁supplies ▁the ▁global ▁market ▁with ▁a ▁broad ▁range ▁of ▁products , ▁including ▁w iring ▁har ness es ▁for ▁in - ve h icle ▁data ▁and ▁energy ▁transmission , ▁and ▁anti - v ibration ▁rub ber . ▁ ▁The ▁autom ot ive ▁w iring ▁har ness ▁business ▁comm enced ▁in ▁ 1 9 4 9 ▁with ▁supplies ▁to