Semugadziri anotungamira mumunda wekudzoreredza kupisa, Holtop yakawana budiriro huru muChina Refrigeration 2008 muShanghai kubva Kubvumbi 9-11. Holtop zvigadzirwa maHRV nemaERV, Rotary heat exchangers uye maAHU anofarira vashanyi vazhinji vanobva kumba nekune dzimwe nyika.
Chirevo musi waKubvumbi 15, 2008
