Quality Assurance and CertificatePipeline System has passed the related certifications in the industry at home and abroad, expecially international API,
ISO, toto, LR, ASME and other certificates suitable to the worldwide markets.
CERTIFICATE OF REGISTRATION
QMS registeredManufacture of steel pipe flangesIssues time: Apr.20. 2015 Expiry time: April 20. 2017