1. Air tightness: from the gas inlet to the gas valve at a pressure of 4.2 kPa, the leakage amount is ≤0.07L/h.
2. Thermal efficiency: desktop stove: ≥ 55%, embedded stove: ≥ 50%
3. Carbon monoxide (CO) content: ≤ 0.05% (theoretical air coefficient = 1)
4. Air intake mode: there are upper air intake, lower air intake, full air intake, etc.
5. Flameout protection: The new national standard (GB16410-2007) stipulates that all cooking appliances must be equipped with flameout protection devices.
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