Guoming Ductile Iron Pipes Co.,Ltd. (referred to as "Guoming Pipe") is a holding company under Jigang Group Co., Ltd., Guoming taking the relocation of Shandong Ductile Iron Pipe Co., Ltd. (referred to as "Jigang Pipe") as an opportunity to establish a new company in Lanling County , Linyi City, Shandong Province, which is a high-tech enterprise re-established and rebuilt by a new method. 

The company focuses on the R&D, production and sales of ductile iron pipes, and is one of the manufacturers of ductile iron pipes with the most abundant specifications in China. The company has won the awards of "Cast Pipe Industry Brand", "Shandong Famous Brand Product", "Shandong Manufacturing Individual Item", "Shandong High Quality Product", and National "High-tech Enterprise".