If you propose to exploit a wok ring on fuel, a 14-inch round-bottom wok facilities effectively and reward from stable, enveloping heat

https://squareblogs.net/jorgusfaio/what-size-wok-do-i-need-with-a-flat-bottom-vs

If you plan to exploit a wok ring on fuel, a 14-inch circular-bottom wok facilities good and merits from mighty, enveloping warm.