Manganese is a silver-gray metal, much like iron, but softer than iron. If manganese contains a small amount of impurities-carbon or silicon, it becomes very hard and brittle. However, pure metallic
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Chongqing Shijie Aluminum Industry Co.,Ltd: Welcome to wholesale aluminum sheet metal, aluminum coil, aluminum strip, aluminum foil, plain aluminium sheet in stock here from professional manufacturers
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Taizhou City Huangyan Boang Plastic Industry Co., Ltd.: We are specializing in squeeze water bottle, sports water bottle, bicycle/bike water bottle, riding squeeze water bottle, hand-held sports
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