CH OA
CEPAI qualifications
Group honor
Certificate of Integrated Management System for Industrialization and Informatization (AAA Level)
Provincial Enterprise Technology Center
Jiangsu Province Quality and Credit AAA Enterprise
Jiangsu Postdoctoral Innovation Practice Base
CEPAI trademark (Class 9)
CEPAI trademark (Class 7)
CEPAI trademark (Class 6)
PetroChina Innovative Product Experimental Base
Welding System Certificate
PetroChina casing head well control certificate
西派资质 CNAS MTR下载