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 10216-4 Seamless steel tubes for pressure purposes-technical delivery conditions-unalloyed and alloyed steels with specified low temperature properties
EN 10216-2 Seamless steel tubes for pressure purposes -technical delivery conditions-unalloyed and alloyed steels with specified elevated temperature properties
EN 10216-1 Seamless steel tubes for pressure purposes
EN 10210-2 Hot finished structural hollow sections of non-alloy and fine grain structural steels -tolerances,dimensions and sectional properties
EN 10210-1 Hot finished structural hollow sections of non-alloy and fine grain structural steels -technical delivery requirements
EN 10210-1/2 Hot finished structural hollow sections of non-alloy and fine grain structural steel
EN 10208-2 Steel pipes for pipelines for combustible fluids -technical delivery conditions-pipes of requirement class B
EN 10208-1 Steel pipes for pipelines for combustible fluids-technical delivery conditions-pipes of requirement class A
EN 10208 Steel pipes for pipelines for combustible fluids-technical delivery conditions
EN 10232 Metallic materials-tubes (in full section)-bend test
EN 10225 Weldable structural steels for fixed offshore structures
EN 10224 Steel pipes,joints and fittings for the conveyance of aqueous liquids including potable water
ADD：Chengnan Industrial Development Zone, Yanshan County, Hebei Province
Domestic phone number：0086-317-6689999
International call：0086-317-6165555
E-mail:9905791@qq.com
