Certificates

Both Y&J head office and subsidiaries have acquired certificates of ISO9001/2015, PED97/23/E, ADW0 and/or API6D issued by BV, TUV or DNV.
Our quality team is staffed with experienced and highly trained engineers. Some of them have achieved the international level of non-destructive certification of UT, MT, PT and RT, the welding certificate from AWS as well as PMP certificate from PMI.

Certificate Type	Certification	Issued by
Company	ISO9001	BV, TUV
Company	PED 97/23E	TUV
Company	ADW0	TUV
Company	AS9100	DNV
Company	IATF16949	TUV
Company	API 6D	API
Company	ISO45001:2018	SHQC
Company	ISO14001:2015	SHQC
Company	ISO 50001:2018	HUAYI
Company	Certificate of Works Approval	China Classification Society
Company	ISO/IEC 17025:2017	CNAS
Personnel	Nondestructive Testing Personnel Certificate, PT/UT/MT	Moody, BRIPC, LYNDT
Personnel	Radiographic Testing	Special Equipment Safety Supervision Bureau of PRC
Personnel	Nondestructive Testing Personnel Certificate	SECTOR CERT
Personnel	AWS Certification of Welding Inspectors	American Welding Society
Personnel	Certification Scheme for Welding & Inspection Personnel	TWI
Personnel	Inspector and Tester Certificate of Special Equipment, RT/UT/MT/PT	Special Equipment Safety Supervision Bureau of PRC
Personnel	PMP	Project Management Institute