亚洲激情欧美激情,影音先锋男人色,国产勾引,久久精品国产午夜做受体验区,亚洲一级黄色,亚洲国产黄色大片,每日更新在线观看av

  Location： Home > About Us > History
About Us
Company Profile Core Culture Environmental and occupational health and safety History Honor Typical Project Video
1993.12
The fire alarm system research group was established in the 41 Institute of Technology
1995.6
JB-1000 series fire alarm system comes out
1995.12
EI Fire Company was incorporated
2000.4
EI-2000 series fire alarm system was successfully developed
2007.7
EI-6000 series fire alarm system was successfully developed
2009.8
Approved by Anhui Science and Technology Department, the company established Anhui Fire Electronic Engineering Technology Research Center
2011.6
EI-N series fire alarm system successfully put on the market
2013.4
The company moved into EI Electronic Industry Park as a whole
2014.10
Fire alarm facility remote maintenance support system won the National Torch Program
2015.12
Yiai Fire was approved to establish a postdoctoral research station
2016.12
“EI and Tu” was recognized as a well-known trademark in China by the State Administration for Industry and Commerce.
2017.9
EI Fire won the Mayor Quality Award
Back
Contact Us
eifire@eifire.com
400-0552-119
Contact Us400-0552-119
Follow Us Follow Us