ʻO ka 20th China Refrigeration 2009 i mālama ʻia ma Guangzhou mai ʻApelila 5-7. Holtop huahana heat recovery ventilators, ikehu ho'ōla ventilators a me rotary heat exchangers ua hiki i ka manaʻo hui mua me nā malihini he nui a ua ʻae i ka nui o ka media.
Hōʻike ma ʻApelila 18, 2009
