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.
EN 10246-1 Non destructive testing of steel tubes-automatic electromagnetic testing of seamless and welded(except submerged arc welded)ferromagnetic steel tubes for verification of hydraulic leak-tightness
EN 10240 Internal and/or external protective coatings for steel tubes-specification for hot dip galvanized coatings applied in automatic plants
EN 10237 Metallic materials-tubes-ring tensile test
EN 10236 Metallic materials-tubes-ring expanding test
EN 10235 Metallic materials -tubes -flanging test
EN 10234 Metallic materials-tubes-drift expanding test
EN 10233 Metallic materials -tubes-flattening test
ADD：Chengnan Industrial Development Zone, Yanshan County, Hebei Province
Domestic phone number：0086-317-6689999
International call：0086-317-6165555
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