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What are foamer protein and their performance
News 65Days Ago (03-23)The foamer protein form a foam with a certain tension and then mixing the foam and cement slurry at the same time. During the mixing process, the cement will continue to expand. When the expansion effect reaches the preset ratio, foamed cement can be for... -
The impact of Joe Biden and the first face-to-face talks of the foreign leaders on ngk bearing
News 77Days Ago (03-11)US President Joe Biden plans to invite Japanese Prime Minister Yoshihide Suga to the White House for a summit meeting as soon as April, Axios reported Wednesday. If finalized, it would be Mr. Biden first face-to-face meeting with a foreign leader since t...
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