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  Industrial Gas Alarming Control

  Negotiable

  Homepage:

  Xi'an Huafan Instrument Co. Ltd

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  High sensitivity smart home automation Zigbee CO detector alarm from Shenzhen Heiman

  Negotiable

  Homepage:

  Shenzhen Heiman Technology Co. Limited

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  All-in-one Gas Monitor with Bright Red LED Indication and 220V AC Power Supply

  Negotiable

  Homepage:

  Henan Hanwei Electronics Co. Ltd