concave' structure, it is possible to ensure the lateral connection and the horizontal locking between the convex portion and the concave portion to make the floor link more closely. The successful authorization of the 'parallel push' lock technology in the United States has a milestone significance for the independent entrance of the Chinese flooring into the international market. At present, the Yangtze floor has 87 patent applications in total and 7 foreign patent applications. Has been authorized a total of 60 patents, of which 13 invention patents, 5 on the lock technology. The patented work of the Company will continue to implement the innovative protection strategy of 'Pioneering Unimportant Products' and strive to be the successful practitioner of innovation-driven development strategy and continue to provide the indispensable basic support for enhancing the comprehensive strength of science and technology of the Company. (Source text Sina) Recently, environmental inspectors continue to hear from "
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