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HomeAbout Us Certificate
     
 

  
Quality Management System Certification(Chinese)                             New 9000 English         
  
China's oil health and safety and environment management system certification(Chinese)           (English)                               
  
     The customs registration certificate                                           Energy No.1 network card  
           PED                                                     measurement of qualified
  
                       foreign trade business     Manufacture License of Special Equipment People's Republic of China(pressure pipeline)
 
                Petrochina materials suppliers
 



          
         
         
         

 
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