中文字幕乱码在线播放I国产一区二区精品久久91I91av电影网I天天干天天干天天干天天干天天干天天干I丝袜天堂I热久久国产精品I午夜av在线I天堂av网在线I成熟少妇12p—thepornI一区二区三区四区在线I欧美变态视频I亚洲国产精品成人综合I免费看成人片I久草在线99I99国产精品I97电视剧在线观看免费完整版I亚洲国产资源I久久97超碰

Hong Yuen  Electronics attaches great importance to the protection of intellectual property rights, practically integrates the intellectual property work into the technological innovation activities of R & D Engineering Center, and fully mobilizes the innovation power of R & D technicians. At present, it has 43 authorized patents, including 12 invention patents, 31 utility model patents, and 5 invention patents applied for in 2017-2019. Patent application has effectively protected the key technology of research and development achievements, and has been transformed into the actual production process, achieving good economic and social benefits, and further improving the company's competitiveness in domestic and foreign markets.