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Why natural gas (methane) alarms can't be installed near the floor?
Natural gas is lighter than air and tends to float updwards. The natural gas alarm should therefore be placed on a wall not more than 30cm from the cei...
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Where to Place CO Alarms in the home?
Where to Place CO Alarms in the home? Generally, the CO alarm will be located in the close vicinity of sleeping areas or rooms that contain fuels sourc...
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How to extend the life of the gas alarm sensor?
How to extend the life of the gas alarm sensor? Gas alarm is used to detect the gas leakage to a certain concentration of alarm equipment, gas alarm bu...
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Hanwei Electronics among the Best Listed Companies Category in Forbes China
May 18, 2017 Forbes China Potential Enterprise Innovation Summit and 2017 Forbes Chinas most promising corporate awards ceremony was held in Zhengzhou ...
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Henan Hanwei Electronics has launched new company name
Henan Hanwei Electronics Co.,Ltd has officially launched its company name to Hanwei Electronics Group Corporation. Hanwei Electronics Group Corporation...
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