Summary for EN54-7 Standard Smoke Detector
In China, when you would like to purchase EN54-7 standard smoke detector, all of first you have to confirm whether the manufacturer have:
1. ISO 9001: 2008 quality assurance
2. ISO 14001: 2004 Environmental guarantee
3. OHSAS 18001: 2007 Occupational Health and Safety Management guarantees.
BANG Instrument Co., Ltd have had the three guarantee. Welcomes all of companies will purchases EN54-7 standard smoke detector needs and product advice, please feel free to contact us.