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Old ladder retrofit certificate of honor

              

 

High and new technology enterprises

 

Beijing patent demonstration unit

 

 

Famous trademark of Beijing

 

Information technology demonstration project of Beijing manufacturing industry

 

 

The most influential brand

 

Special equipment manufacturing license

 

 

Installation and repair license for special equipment

 

Quality management system

 

 

Environmental management system

 

National Torch Program Certificate

 

 

Occupational health and safety management