Equipped With Productive ASTM-b-777 Tungsten Alloy Rods Factory, Xi'an Kefeng Powder Metallurgy Co., Ltd Is A Professional China Astm-b-777 Tungsten Alloy Rods Manufacturer. We Have Extensive Experience In The Production Of Tungsten Alloy Rods, Tu ...Read More



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 EXPIRE ON: 01-01-2021



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Tugsten Carbide Ball&seat Application. Tungsten Carbide Ball&seat, Made From Virgin Raw Materials, Have High Hardness, Wear-resistance, Corrosion Resistance, And Resistance To Bending. They're Widely Used In Oil&gas,bearings,ball Screws, ...Read More



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 EXPIRED ON: 08-05-2017



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