Large gate valves are mainly used in main lines and large pipelines. Flanged gate valves are commonly used for manual or electric operation.
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Distillation vessels is a special liquid-liquid separation technology ,which is different from traditional distillation on the difference boiling point .
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HDFocus: We're well-known as one of the leading interactive board, wireless present solution, indoor digital signage, outdoor digital signage manufacturers in China. If you're going to wholesale high
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Transfer film is an intermediate carrier, existing on the transfer paper base or plastic base, bearing the printed or printed pattern, used to transfer to the printed article on a layer of chemical
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