▁equ ipped ▁for ▁aircraft ▁interior ▁modification ▁work , ▁subs idi ary ▁business ▁of ▁V T ▁Systems ▁V T ▁Vol ant ▁A eros pace ▁- ▁ ▁operating ▁in ▁Bur ling ton , ▁Washington , ▁United ▁States , ▁Vol ant ▁special izes ▁in ▁the ▁supply , ▁repair , ▁design ▁and ▁manufact uring ▁of ▁interior ▁a eros pace ▁parts , ▁subs idi ary ▁business ▁of ▁V T ▁Systems . ▁ST ▁A eros pace ▁Eng ines ▁- ▁provides ▁repair ▁and ▁over ha ul ▁services ▁for ▁military ▁and ▁civil ▁a ero - eng ines ▁and ▁access ories . ▁ST ▁A eros pace ▁Techn ologies ▁( X iam en ) ▁Co ▁( STAT CO ) ▁- ▁provides ▁engine ▁M RO ▁services , ▁located ▁in ▁X iam en , ▁China ▁E CO ▁Services ▁L LC ▁- ▁ ▁joint ▁invest ment ▁with ▁Pr att ▁& ▁Whit ney , ▁provides ▁E CO ▁power ▁engine ▁was h ▁services , ▁subs idi ary ▁business ▁of ▁V T ▁Systems ▁ST ▁A eros pace ▁Systems ▁- ▁Asia ▁Pacific ' s ▁largest ▁independent ▁component ▁repair ▁and ▁over ha ul ▁company , ▁special izes ▁in ▁aircraft ▁av ion ics ▁repair ▁and ▁over ha ul , ▁components ▁and ▁systems . ▁T ▁. ▁P rec ision ▁Product s ▁Services ▁( P PS ) ▁- ▁manufact ures ▁casting ▁and ▁m ould ▁tool ing ▁for ▁customers ▁in ▁the ▁a eros pace , ▁oil ▁ad ▁gas , ▁defense ▁and ▁commercial ▁indust ries . ▁ST ▁A eros pace ▁Sol utions ▁- ▁provides ▁aircraft ▁component ▁repair , ▁management ▁and ▁log istics ▁services , ▁it ▁has