They were involved in application software development , outsourced from NTT Data , NEC , Hitachi Software Engineering , etc .
( DHC ) , which had derived from Dalian City Computer Center , and Dalian Hisoft Corp. were established in the high - tech zone .
DHC were involved in application software development , outsourced from NTT Data , NEC , Hitachi Software Engineering , etc .
( DHC ) , which had derived from Dalian City Computer Center , and Dalian Hisoft Corp. were established in the high - tech zone .