Imashini ya HP-DHK ibyuma bibiri byo gushyushya imashini (ipatanti yo guhanga No.: ZL 2009 1 0014580.9) yikubye kabiri umusaruro, ikiza 50% by'amashanyarazi, hamwe n’ishoramari ry’ibikoresho 50%. Muri 2009, byemejwe n’ishyirahamwe ry’inganda mu Bushinwa, uzwi cyane muri Shenyang Aluminium Magnesium Design Institute Co., Ltd., Guiyang Aluminium Magnesium Design and Research Institute Co., Ltd., hamwe n’inzobere nyinshi mu gihugu zizwi cyane mu bijyanye na karubone kugira uruhare mu gusuzuma isuzuma ry’ubumenyi n’ikoranabuhanga mu ntara na minisitiri.Double-layer preheating knader niyambere mubwoko bwayo mugihugu ndetse no mumahanga, igera kurwego mpuzamahanga ruyoboye ibicuruzwa bisa.