Ngowe-1996, DEC Mach Elec.& Equip(Beijing) Co., Ltd. yasekwa yiHolland Environment Group Company (“DEC Group”) ngesixa-mali se-CNY sezigidi ezilishumi namakhulu amahlanu amawaka enkunzi ebhalisiweyo;ngomnye wabenzi abakhulu bombhobho oguquguqukayo kwihlabathi, ngumbutho wamazwe ngamazwe okhethekileyo ekwenzeni iintlobo ezahlukeneyo zemibhobho yokuphefumla.Iimveliso zayo zombhobho wokungenisa umoya oguquguqukayo ziphumelele iimvavanyo zesiqinisekiso somgangatho kumazwe angaphezu kwama-20 afana ne-American UL181 kunye neBritish BS476.