Along with the years of entrepreneurial journey of Zhongyuan people, she gradually formed her own spiritual pillar and behavioral norms. In the silent inheritance, she guided Zhongyuan Company towards a more brilliant tomorrow.
What is ISO 10332?
International Organization for Standardization
ISO 10332 Seamless and welded(except submerged arc-welded)steel tubes for pressure purposes-ultrasonic testin for the verification of hydraulic leak-tightness
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