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.
ASTM A 430 Austenitic steel forged and bored pipe for high-temperature service
ASTM A 426 Centrifugally cast ferritic alloy steel pipe for high temperature service
ASTM A 423 Seamless and electric-welded low-alloy steel tubes
ASTM A 409 Welded large diameter austenitic steel pipe for corrosive or high-temperature service
ASTM A381 Metal-arc-welded steel pipe for use with high-pressure transmission systems
ASTM A376 Seamless austenitic steel pipe for high temperature central station service
ASTM A369 Carbon and ferritic alloy steel forged and bored pipe for high-temperature service
ASTM A358 Electric fusion welded austenitic chromium nickel alloy steel pipe for high temperature service
ASTM A335 Seamless ferritic alloy steel pipe for high-temperature service
ASTM A334 Seamless and welded carbon and alloy steel tubes for low-temperature service
ASTM A333 Seamless and welded steel pipe for low-temperature service
ASTM A312 Seamless and welded austenitic stainless steel pipes
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
