Henan Zhong An Electronic Detection Technology CO.,LTD. 5 Yinghua Street, Zhengzhou High-tech Development Zone

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)

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

G10, TCB measuring instrument license

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

Production License for Special Labor Protection Products

ISO9001 quality management system certification

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

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

TCB1, TCB2, TCB3, G6000A explosion-proof certificate

TCB4 fire product certification certificate

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

TCB2, OT100 fire protection product certification

Utility model patent certificate

GDB2-T China Environmental Protection Product Certification Certificate