... /8 inch, NPT, Galvanized Malleable Iron Shijiazhuang Jizhong Malleable iron Co., Ltd. specializes in malleable iron pipe fittings. Our factory possesses own ... 9000 tons.Our main products are galvanized and black malleable iron pipe fittings. The whole ranges of specifications are available. ... They are divided into elbow, tee, nipple, socket, union, cross over, flange, round cap and so on, in which the ...