... iron, steel Thickness of zinc coating:>100um Competive price Investment casting cable fitting,Railway Fitting,Power Fitting, Power Line ... Ductile cast iron, steel or stainless steelProcesses: forging,sand casting, investment casting, die-casting, permanent mold casting, forging, stamping and CNC ... system, contact network of railwayAnnual production capacity:50000 tons Investment casting cable fitting