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business licence

 

National Certification

certificate of registration

measurement assurance confirmation certificate

The license for manufacturing measuring instruments

The license for manufacturing measuring instruments

The license for manufacturing measuring instruments

The license for manufacturing measuring instruments

 


 Certificate of organization code certificate  


Explosion-proof certificate1

Explosion-proof certificate2

Explosion-proof certificate3

The utility model patent certificate

The utility model patent certificate2

The utility model patent certificate3

The utility model patent certificate4

The utility model patent certificate5

The utility model patent certificate6

The utility model patent certificate7

The utility model patent certificate8

Explosion-proof certificate4