Profile: Zhengzhou Shibo Nonferrous Metals Products Co.,Ltd. is engaged in developing and manufacturing non-ferrous metal products, electric heating elements, furnace & fire-proof material products. We offer tungsten crucibles, rods, wires, plates and bench-top muffle furnace. Our products are used in applications of glass, chinaware, lighting, magnetism materials, fluorescent materials, false crystal, machinery, electro vacuum materials & industrial apparatus. Tungsten crucibles are used for rare earth, quartz glass & metal extracting.