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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Hangzhou MH Metal Fabrication Co., Ltd.: We're known as one of the most professional sheet metal fabrication, tube fabrication, metal stamping, container homes, steel tube fabrication manufacturers
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Guangzhou Guan Yi Adhesive Products Co., Ltd: As one of the leading cold lamination film, printing vinyl film, car wrap film, perforated film, window film manufacturers and suppliers in China, we
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Crossin New Materials Co., Ltd.: As one of the leading brominated flame retardants, diamine chain extender, quaternary ammonium salts, quaternary phosphonium salts, crown ethers manufacturers and
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