cangzhou chengming pipe and pipefitting Co, ltd is one of the largest pipe and fittings manufacturers in china, it is located in yanshan town, it is covering an area of 36, 000 square meters, we have ...

Hebei Longrun Pipeline Co., Ltd is locted in Yanshan county Hebei Province which is close to the Bohai Sea, it enjoys convenient transportation, developed communication systems and vast is also the ho...

pipe and pipe fittings...