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.
WESTERN EUROPE SFS Finnish Standards Finland
WESTERN EUROPE DIN German Standards Institute Germany
EUROPE European Comittee for Standardization
LATIN AMERICA NAG Argentinian Standards Argentina
LATIN AMERICA IRAM Argentinian Standards Institute Argentina
LATIN AMERICA COVENIN Venezuelian Commission on Industrial Standards Venezuela
LATIN AMERICA NOM Mexican Bureau of Norms Mexico
LATIN AMERICA NBR Brazilian Standards Brazil
NORTH AMERICA SAE Society of Automotive Engineers USA
NORTH AMERICA CSA Canadian Standards Canada
NORTH AMERICA UL Underwriters Laboratories USA
NORTH AMERICA ANSI American National Standards Institute USA
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
