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Dear sir or madam: Hubei Tongxin Nonferrous Metals Co., Ltd.i is a manufacturer specialize in production and processing of non-ferrous Metal in the middle part of China. We import and export overseas in the line of zinc skimming / ashes / flue.....

solder wires Tin-lead alloys Tin-lead alloys with antimony Tin-antimony Tin-lead-bismuth and bismuth-tin alloys Tin-lead-cadmium Tin-copper and tin-lead-copper alloys Tin-indium tin-silver and tin-lead-silver.....

bismuth trioxide bismuth sucarbonate bismuth sunitrate bismuth chloride Cupric Acetate Anhydrous Cupric Bromide Cupric Carbonate Basic Cupric Chloride Cupric Oxide Cupric Sulfate Cuprous Chloride Copper Oxychloride Chromium.....

Regarding Bismuth Oxide, for varistor and thermistor, for glass cover of kinescope usage, spec as follow: ITEM STANDARD Bi2O3 99.9% min. Sb 30ppm max. Fe 30ppm max. Pb 10ppm max. Cu 10ppm max As 30ppm max. Si 10ppm max. Mean.....