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| CE ntawv pov thawj | Anti-xa me nyuam rov scraper kev twb kev txuas ntaus ntawv patent |
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| Patent rau anti-co puag ntawm me me thiab nruab nrab tov khoom | Patent rau Kev Tsawb Cua Huab Cua thiab Cua Inlet Dual Lub Hom Phiaj |
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| Patent rau hoisting ntaus ntawv ntawm rake scraper | Patent rau cov dej loj loj advection hom huab cua flotation qauv |
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| Patent rau tus kheej tu cov cuab yeej ntawm theem ntsuas dej hauv cov roj tank hauv lub neej | Patent rau tus kheej tu tshuab ntawm advection cua-ntab sludge tank |
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| Patent rau ntiav huab cua flotation tso ntaus ntawv | Patent rau cov khoom siv tiv thaiv huab cua nrog lub tshuab nqus cua thiab cov khoom ntaus tawm |
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| Patent rau underwater stabilizer lub rooj ntawm kev tov khoom | Patent ntawm cov cuab yeej siv tau kho rau cov qhov dej ntawm cov pa roj mus rau qhov dej tob |
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| Patent ntawm cov cuab yeej siv kho tau rau thaj av nkos scraper | Patent ntawm Advection Cua Flotation Hood |
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| Kev siv dej phwj tuaj ua kua dej ntab scraping mechanism patent | Cov huab cua nyob hauv nruab nrab lub tshuab nqus tsev kaw lus patent |
