The certificate of enterprise research and development institutions in guangzhou

ISO 3834-2 international welding quality system certificate

The ISO 9001 quality management system certificate

ASME - NB steel seal certificate

ASME -u seal certificate

GC2 special equipment installation maintenance license

Qualification certificate for China petroleum and chemical equipments network

A1, A2 class iii pressure vessel design permits

A1, A2 class iii pressure vessel manufacturing license

Business License