Shandong Changyi Huatong Pipes Co,Ltd was originally funded by Beijing Shougang Foundry (now Beijing Shougang Huayu Fundry ). It has more than 30 years&＃39; experiance in producing cast-iron pipes and casting products. In terms of production technology, it obtained the full support from Shougang Foundry. Its products comply with the international standards and have to pass strict inspection before leaving factory. The cast -iron pipes have the advantage such as smooth surface, good linear performance, standard size, even thickness, stable component, excellent mechanical performance, as well as can be widely used in indoor-outdoor water conveyance.It was awarded "High-Quality product" of the city and the province of many times.Our company could produce centrifugal ductile iron pipes strictly comply with the international standard ISO2531/EN545/EN598. we could produce many kinds of D.I.pipes to meet many clients&＃39; requirements such as Push on joint, K-joint, welded flange joint, screwed flange joint, Fusion epoxy bond powder coating or lining pipes, Polyurethane coating or lining pipes, epoxy resin lining or coating pipes, epoxy ceramic lining pipes, restrained joint pipes.Our company directly sells in the most domestic municipal water supply projects, and oversea market, We are very willing to cooperate with all the clients and supply excellent services for you.