Yasekwa ngo-2004, ekwiQingshan Industrial Park yedolophu yaseHangzhou eChina, iHZ DRYAIR ibonelele ngesisombululo esidibeneyo sokusingqongileyo kunye neenkqubo ezisebenza ngokugqwesileyo kumkhosi waseTshayina kunye nezixhobo ze-aerospace kunye nezinye izicelo ezininzi zabahlali iminyaka engaphezu kwe-10. Igubungela indawo eyi-15000 square metres kwaye inabasebenzi abangaphezu kwe-160, ezibandakanya iinjineli ezi-5 eziphezulu, isidanga se-Gqirha esi-1, isidanga se-Master sika-5