We Hebei Jianzhi Casting group are mainly producing the Malleable casting iron pipe fittings and grooved pipe fittings more than 40 year .As a professional manufacturer, We are always asked the different in both the Malleable iron socket and Carbon steel
Glass straight line beveling machine adopts stable and accurate double dovetail front beam lifting and three-row chain splint patented technology, equipped with precision ABB grinding head special motor, supplemented by high-efficiency and energy-saving f