August 1985
Shenzhen Nanyou Electromechanical Company was established
April 1999
Shenzhen Nanyou Electromechanical Co., Ltd. was reorganized into Shenzhen Nanyou Nuoan Electronics Co., Ltd.
October 2001
Passed the ISO9001 quality management system certification
June 2002
Become a member of the China Fire Protection Association
February 2003
Became the general agent and after-sales service provider of German GFG company
June 2007
The gas detection and alarm series products have passed the national explosion-proof certification, fire protection product type certification, manufacturing measurement instrument license
October 2009
GB50493 "Design Specification for Detection and Alarm of Flammable Gas and Toxic Gases in Petrochemical Industry"
December 2009
Cooperated with foreign scientific research institutions to successfully develop international leading photo-ion VOCs detectors
November 2012
Obtained the qualification of “national high-tech enterprise”
November 2012
Passed the "A A A" credit rating
December 2012
Through the "soft" certification of Shenzhen software enterprises and software products
February 2013
Shenzhen Nanyou Nuoan Technology Co., Ltd., a wholly-owned subsidiary, was established.
November 2013
Join the International HART Communication Association
May 2014
Accumulated more than 30 patents, computer software copyrights and registered trademarks
July 2014
Passed ISO14001 Environmental Management System Certification
May 2015
Passed OHSAS18001 Occupational Health and Safety Management System Certification
March 2016
Shenzhen Nanyou Nuoan Electronics Co., Ltd. was established after the joint-stock system transformation, Shenzhen Nuoan Environmental Security Co., Ltd.
August 2016
New three board listing