Range:
Keyword:
 
Any question?
Enquiry Now
OEM / ODM - CERTIFICATE

1£®GB/T19001-2000idt ISO9001-2000
2£®GB/T24001-2000idt ISO14001-2000
3£®GB/T28001-2001idtOHSAS 18001-1999¡¡¡¡¡¡

 
 
 
 
 
 

 
 
 
 
 
    

 Youli Pipeline Company of China Beijing Chemical Industry University, also has "Youli" Dr. Innovation Fund; National chlor-alkali industry, "Youli Cup" thesis prize money tournament. Triple credibility of the Agricultural Bank of China; Guarantee the quality of products by the People's Insurance Company of China; Members of the Chinese Association for the chlor-alkali industry; National Standards environmental emissions standards; Zhejiang outstanding scientific and technological enterprises. "Youli" trademark Zhejiang Famous Brand.