HELI MACHINERY MANUFACTURING CO., LTD.(cqctrack) e thehiloe ka 2005, Ke k'hamphani e sebetsanang le tlhahiso, tlhahiso le thekiso ea likarolo tsa mechini ea kaho. Lihlahisoa tse ka sehloohong tsa k'hamphani ke likarolo tsa ka tlas'a koloi ea ho cheka (track roller, carrier roller, sprockets, idler backet tooth, track GP, jj.). Sekala sa hajoale sa khoebo: sebaka se felletseng sa li-mu tse fetang 60, basebetsi ba fetang 200, le lisebelisoa tsa mochini tsa CNC tse fetang 200, lisebelisoa tsa ho lahla, ho betla le ho futhumatsa.