SHIJIAZHUANG H.Y.ZHIDA MALLEABLE IRON FACTORY is located in the Malleable Iron Zone of Shijiazhuang City. We have been manufacturing and exporting malleable iron pipe fittings for more than 20 years. Annual output more than 2,000 tons of pipe fittings with BSPT, NPT, DIN screw threads. Our products AHB brand malleable iron pipe fittings are popular in the market of Middle East, South America, South Asia etc. We are a professional manufacturer, exporter of malleable iron pipe fittings which ...