2009.04.22

Henan Outaiweier Electronic Technology Co., Ltd. No. 5 Yinghua Street, Zhengzhou High-tech Development Zone

 
 
2010.03.26

Change of business scope (production and sales of gas detection alarms and gas detection controllers in the environment; instrumentation, hardware and machinery (excluding cars), valves, labor protection supplies (except special), electronic components, wires Sales and after-sales service of cables and electronic products)

 
 
2013.10.21

Address change (Room 24, 3rd Floor, Unit 4, Building 4, No. 149, West Third Ring Road, High-tech Zone, Zhengzhou)

 
 
2014

G10, TCB measuring instrument license

 
 
2018.01.03

G10 portable gas detector, G40 portable multi-gas detection alarm, G80 carbon monoxide detection alarm, GDB2 gas detection alarm as management software

 
 
2018.4.10

Production License for Special Labor Protection Products

 
 
2018.4.13

ISO9001 quality management system certification

 
 
2018

TCB4 point gas detector operation management software, OT137 composite gas alarm, GDB1 gas alarm controller operation management software

 
 
2018

OT600, OT137, OT135, OT135, G40 explosion-proof certificate

 
 
2019.2.19

TCB1, TCB2, TCB3, G6000A explosion-proof certificate

 
 
2019.1.21

TCB4 fire product certification certificate

 
 
2019.4.12

SIL certification: TCB1, TCB2, TCB3, TCB4, OT131, OT600, OT135, G10, G80

 
 
2019.11.12

TCB2, OT100 fire protection product certification

 
 
2019.5.31

Utility model patent certificate

 
 
2020.2.20

GDB2-T China Environmental Protection Product Certification Certificate

 

 

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