Starting from 1994, TPCO has been certified by all kinds of international and domestic accreditation institutions such as:

-  API Certificates; 

-  ISO 9001:2015 Quality Management

   System Certificate by TUV;

-  ISO 14001 / ISO 45001;

-  Classification Society Certificates: CCS、ABS、

   BV、DNV.GL、Lloyd's Register and etc.

-  PED Certificate.

-  CE Certificate.