AVACF - Avance Gas Holding Ltd 2021 Q2 - Results - Earnings Call Presentation August, 19 2021 05:43 PM Avance Gas Holding Ltd The following slide deck was published by Avance Gas Holding Ltd in conjunction with their 2021 Q2 earnings call. For further details see: Avance Gas Holding Ltd 2021 Q2 - Results - Earnings Call Presentation