Annually produce 150 thousand tons of DN80mm-DN2600mm ductile iron pipes of Conglinhe brand with the length of six meters and eight meters. Because of the excellent performance and quality, the product upgrades the reliability of the pipe network and is considered as the important promoting project of scientific and technological achievements by national ministry of construction, and it is judged as Famous Brand of Shandong Province, and Well-known Trademark in Shandong Province.
