Derniers inventions, produits et services
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2021
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Invention
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Production method for low-strength low-elongation semi-dull nylon 6 fdy crystal yarn. A productio... |
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2019
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Invention
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Production method for ultraviolet-resistant nylon superfine-fiber filament and production apparat... |
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2018
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Invention
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Heat exchange device for heat recovery of industrial air compressor. Disclosed is a heat exchange... |
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2015
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Invention
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Chinlon spinning additive. The present invention provides a chinlon spinning additive. The additi... |
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