ic ▁al liance ▁with ▁Techn ische ▁Universität ▁D arm stadt . ▁ ▁J oint ▁vent ures ▁S iem ens ' ▁current ▁joint ▁vent ures ▁include : ▁▁ ▁S iem ens ▁Tra ction ▁Equ ip ment ▁Ltd . ▁( ST E Z ), ▁Zh uz hou ▁China , ▁is ▁a ▁joint ▁vent ure ▁between ▁S iem ens , ▁Zh uz hou ▁C SR ▁Times ▁Electric ▁Co ., ▁Ltd . ▁( TE C ) ▁and ▁C SR ▁Zh uz hou ▁Electric ▁Lo comot ive ▁Co ., ▁Ltd . ▁( Z EL C ), ▁which ▁produces ▁AC ▁drive ▁electric ▁locomot ives ▁and ▁AC ▁locomot ive ▁tra ction ▁components . ▁ ▁Sil car ▁was ▁a ▁joint ▁vent ure ▁between ▁S iem ens ▁Ltd ▁and ▁Th i ess ▁Services ▁P ty ▁Ltd ▁until ▁ 2 0 1 3 . ▁Sil car ▁is ▁a ▁ 3 , 0 0 0 ▁person ▁Australian ▁organisation ▁providing ▁product ivity ▁and ▁reli ability ▁for ▁large ▁scale ▁and ▁techn ically ▁complex ▁plant ▁assets . ▁Services ▁include ▁asset ▁management , ▁design , ▁construction , ▁operations ▁and ▁maintenance . ▁Sil car ▁oper ates ▁across ▁a ▁range ▁of ▁indust ries ▁and ▁essential ▁services ▁including ▁power ▁generation , ▁elect rical ▁distribution , ▁manufact uring , ▁min ing ▁and ▁tele communic ations . ▁In ▁July ▁ 2 0 1 3 , ▁Th i ess ▁took ▁full ▁control . ▁Prim et als ▁Techn ologies ▁a ▁joint ▁vent ure ▁between ▁S iem ens ▁V AI ▁Met als ▁Techn ologies ▁and ▁M its ub ishi ▁Hit achi ▁Met als ▁Mach in ery