Holtop ṣe afihan awọn ọja tuntun julọ - awopọ iru awọn olupapa ooru ati counterflow awo paṣipaarọ HRV lori itẹ ti Chillventa, International Trade Fair Refrigeration • Air Conditioning • Heat Pumps in Nuremberg Germany lati Oṣu Kẹwa 15-17, 2008.
Iroyin ni Oṣu Kẹwa 23, Ọdun 2008
