Luoyang Zhengyuan Petrochemical Co., Ltd. has received a Manufacturing Assessment (MA) certificate from the American Bureau of Shipping (ABS). The certificate took effect on 21 September 2026 and covers pipe fittings included in valid Product Design Assessments (PDAs).
ABS evaluated Zhengyuan's manufacturing quality procedures and verified its production quality monitoring systems for the covered products. A representative product sample was presented to verify manufacture in accordance with the applicable PDA.
For pipe fitting enquiries, please provide the fitting type, material grade, dimensions, quantity and project specifications.
Contact Zhengyuan to discuss the applicable certificate scope and documentation requirements.
