Good news: Luoyang Zhengyuan Petrochemical Co., Ltd. has officially obtained ASME "U" & "U2" certificate
On December 9, 2022, Luoyang Zhengyuan Petrochemical Co., Ltd. officially received ASME "U" & "U2" Steel Seal Certificate issued by the American Society of Mechanical Engineers, which will lay a more solid foundation for the company's business development and provide strong conditions for the company to expand its overseas business.
