Holtop បានបង្ហាញផលិតផលថ្មីបំផុត -plate type heat exchangers and counterflow plate exchanger HRV on the fair of Chillventa, International Trade Fair Refrigeration • Air Conditioning • Heat Pumps in Nuremberg Germany from October.15-17, 2008.
របាយការណ៍ថ្ងៃទី២៣ ខែតុលា ឆ្នាំ២០០៨
