There are many pipe manufacturers in North China. Among them, Hebei Cangzhou is known as “the capital of China's pipe fittings
”. It is the main gathering place for the production and sales of pipe fittings
in China. About 70% of the welded pipe fittings in the country are produced by the region, and it is also the export base of welded pipe fittings in China
. There are more than 1,800 large-scale enterprises in the
. Cangzhou's pipe fittings are not only supplied to domestic but also exported to all over the world. Cangzhou pipe fittings have a significant impact on the world's infrastructural.