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Liaoning Xinfeng Industrial CO.,Ltd. specializing in manufacturing ductile iron fittings over 20 years, is a leading largest and professional manufacturer for ductile iron fittings for water pipelines in China, imported production technology of vacuous lost foam casting from Japan with high-tech production lines and modern inspection equipments. Products for overseas markets covered all over the world. 　　 XINFENG is located in Economic and Technological Development Zone of Yingkou of Riviera city. 5 kilometer far away from international Bayuquan seaport and 2 hours by express way to Dalian seaport.

2020 09-23   Flange connection method Flange connection is to fix two pipes, pipe fittings or equipment on a flange         2020 09-23   Process flow of making elbow Seamless elbow: an elbow is a pipe fitting used at the turn of the pipeline. A