China Wholesale Natural Gas Leakeage Alarm Detector(SFL-817)
Product Description
SFL-817 is designed and produced strictly according to the standard. It's a ...
wholesale Automation fire system wet alarm valveProduct DescriptionAlarm valve includes trim packages valves, gauges, pressure switch, fittings and nipples t...
Aluminum Fire Sprinkler Fire Fighting Equipment1. Sprinkler is an important part of wet-type auto spraying system. It is usually installed inside the bu...
Intoduction:This photoelectric smoke detector detects smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can refl...