City treads safely, smartly in cooking gas usage
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At a bustling food mall in Changyi, a county-level city in Weifang, Shandong province, a lively scene unfolds as people flock to dine.
What immediately captures their attention is the absence of traditional liquefied petroleum gas cylinders once favored by food stalls and small eateries.
This is because of a safer and more advanced alternative — smart LPG cylinders.


















