Follow Chinese manufacturing standard GB/T12777-2008, GB/T14515-2010, international standard ISO 10380(E) and the US EJMA.
btxinyuan@gmail.com
+86 18631796097
Follow Chinese manufacturing standard GB/T12777-2008, GB/T14515-2010, international standard ISO 10380(E) and the US EJMA.
+86 18631796097
Xihuan Industry Zone, Botou City, Hebei Province, China.
+86-317-8168741
+86-317-8061548
