野花日本大全免费观看直播,无套内谢少妇毛片AAAA片免费,亚洲日本VA午夜在线影院,亚洲国产成人精品无码区宅男?

[Good news] Warm congratulations to Qingdao Liyang invention patent blooming

Column:Company News Time:2022-10-24
Recently, Qingdao Liyang self-developed "A tire ring wire hanging rubber compound formula and preparation method" was authorized by the State Intellectual Property Office (patent No. ZL202011207189.3).

    Recently, Qingdao Liyang Rubber Technology Co., Ltd. ushered in a pound of good news! After two years of research and development, Qingdao Liyang self-developed "A tire ring wire hanging rubber compound formula and preparation method" was authorized by the State Intellectual Property Office (patent No. ZL202011207189.3).

    Invention patents as an important indicator in the field of intellectual property rights, is awarded the condition with novelty, inventiveness and practical applicability, to a certain extent, represents the technical strength and development level of an enterprise, is the crystallization of industry experience and professional knowledge, has the rights to apply for higher difficulty, high technology value, relative stability, protection for a long time, review for a long time, etc. The approval of the invention patent, marking Qingdao Liyang Rubber Technology Co., Ltd. in scientific and technological research and innovation has achieved another gratifying results.

    All the time, the company's R & D personnel are committed to improving product quality, improve product performance, overcome difficulties, steady development. Since its establishment, Qingdao Liyang has obtained more than 50 national patents, and a number of invention patents and utility model patents are under application and examination. In the future, Qingdao Liyang will continue to adhere to the scientific and technological innovation as the core driving force, constantly increase research and development efforts to enhance the core competitiveness of the company.

亚洲精品成a人在线观看☆ | 欧美裸体XXXX极品少妇| 成人日韩熟女高清视频一区| GOGOGO高清在线观看中文| 少妇爆乳无码专区| 亚洲级ΑV无码毛片久久精品 |