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The 129th Canton Fair is to be held online from Aprill 15 to 24, 2021. The 129th Canton Fair ......
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New Year is a perfect milestone, a perfect summary of the harvest of the year, the beginning o......
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The use of water pipe is a certain period of life, we use the time to take some way to slow d......
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Used as gas source gas, natural gas, liquefied petroleum gas, bio gas, etc. are flammable and ......
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1. Summary Hose may be exposed to various environments when used, and physical properties may ......
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Why some hoses are expensive, some are low, and where is the quality gap? The smell of......
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Thursday in Qatar monthly condensate oil sales tender after the release of September condensat......
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Upstream dynamics: OPEC is trying to mitigate global oversupply by reducing production, but ......
