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 ASTM A53?
American Society for Testing and Materials
ASTM A53 Steel pipe,black and hot-dipped,zinc-coated,welded and seamless
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