Holtop ulo oru AHU pụrụ iche a haziri n'ihi na oge a na ụlọ ọrụ mmepụta ihe, dị ka Automotive, Electronic, Spaceflight, Pharmaceutical wdg Holtop enye ngwọta aka ime ụlọ ikuku okpomọkụ, iru mmiri, ịdị ọcha, ọhụrụ ikuku, VOCs wdg

HOLTOP ulo oru ike ikuku njikwa nkeji na-ọtụtụ-eji ụgbọala, ngwá electronic, aerospace, obibi akwụkwọ, ọgwụ, ulo oru osisi na ndị ọzọ ọrụ, nakwa dị ka gburugburu ebe obibi okpomọkụ na iru mmiri, ịdị ọcha, ọhụrụ ikuku olu, mkpọtụ, na-egbu egbu na-emerụ gas akara na ụlọ ọrụ mmepụta ihe na gburugburu ebe obibi nwere nchekwa na nchekwa gburugburu ebe obibi.