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 obhetyebhetye ehlabathini, liqumrhu lamazwe ngamazwe elisebenza ngokukhethekileyo ekwenzeni iintlobo ngeentlobo zemibhobho yokungenisa umoya. Iimveliso zayo zombhobho wokungenisa umoya oguquguqukayo ziphumelele iimvavanyo zesiqinisekiso somgangatho kumazwe angaphezu kwama-20 afana ne-American UL181 kunye neBritish BS476.