HZ DRYAIR yashinzwe mu 2004, iherereye muri parike y’inganda ya Qingshan yo mu mujyi wa Hangzhou mu Bushinwa, itanga ibisubizo by’ibidukikije hamwe na sisitemu hamwe n’ibikorwa byiza cyane by’ibikoresho bya gisirikare n’indege by’Ubushinwa ndetse n’ibindi bikorwa byinshi by’abasivili mu myaka irenga 10. Ifite ubuso bwa 15000 metero kare kandi ifite abakozi barenga 160, barimo ba injeniyeri bakuru 5, impamyabumenyi ya Dogiteri 1, 5 barangije icyiciro cya kabiri cya kaminuza