Ua hoʻokumu ʻia ʻo HELI MACHINERY MANUFACTURING CO., LTD.(cqctrack) i ka makahiki 2005, he hui ia e hana ana i ka hana ʻana, hana ʻana a me ke kūʻai aku ʻana i nā ʻāpana mīkini kūkulu. ʻO nā huahana nui o ka hui he mau ʻāpana excavator undercarriage (track roller, carrier roller, sprockets, idler bucket tooth, track GP, etc.). ʻO ka nui o ka ʻoihana i kēia manawa: he ʻāpana huina ma mua o 60 mu, ʻoi aku ma mua o 200 mau limahana, a ʻoi aku ma mua o 200 mau mīkini hana CNC, hoʻolei, forging a me nā lako hana wela.