* EUR/CHF hits 1.0796 EBS low after falling from 1.0816 (early Europe high)
* 1.0796 is the lowest level since Feb 15 (1.0796 was EBS low that day too)
* Safe-haven CHF buoyed by China equity volatility and Delta variant concerns
* Dovish ECB is helping weigh on the euro
* Risk of SNB FX intervention (selling CHF) is source of support for EUR/CHF
* SNB spent 110 billion francs countering upward pressure on franc last year
(Robert Howard is a Reuters market analyst. The views expressed are his own) ((robert.howard@thomsonreuters.com))