Tongling Yuanyi Precision Machinery Co., Ltd.
Address: 129 west Cuihu road 5, Tongling Economic Development Zone, Anhui Province
Tel:+86 13956259526
Tel:+86 13905620906
E-mail:sale@yyjgjx.com
Skype:elena.chen93
Good news: the company has obtained six national utility model patents |
Release time:2020-11-28 09:15:36 | Browse times: |
Recently, the company has six utility model patents authorized by the State Intellectual Property Office. Patent name: "A new type of surface grinder" Patent number: ZL 2019 2 1734534.1 Patent name: "A grinder to improve the machining accuracy of shaft parts" Patent number: ZL 2019 2 0887368.2 Patent name: "a lathe with fast automatic clamping and feeding" Patent number: ZL 2019 2 0887369.7 Patent name: "Wire EDM for easy recovery of spark oil for integrated circuit molds" Patent number: ZL 2019 2 0887366.3 Patent name: "Slow wire machine for stable operation of integrated circuit molds" Patent number: ZL 2019 2 0886809.7 Patent name: "A high-efficiency and stable working EDM machine" Patent number: ZL 2019 2 0886810.X |
Last chapter:Tongling Municipal Party Secretary Ding Chun and other leaders came to our company to investigate and guide the work Next chapter:Tongling Yuanyi Precision Machinery Co., Ltd. First Trade Union Member Congress |
Tongling Yuanyi Precision Machinery Co., Ltd.
Tel:+86 13956259526 Tel:+86 13905620906
E-mail:sale@yyjgjx.com
Address: 129 west Cuihu road 5, Tongling Economic Development Zone, Anhui Province
| 玩弄放荡的人妻熟妇视频 | 国产人禽人交精品 | 爽灬爽灬爽灬毛及A片小说 女性成人黄色视频免费观看 | 国产精品视频一区二区白丝喷水 | 黄色的网址在线免费观看视频 | 韩国一区二区在线观看 | 成人高清中文字幕在线观看 | 特级西西大胆WWW147 | 蜜乳av国精产品一二三产区 | 国产成人无码AA精品 | 国产嫩草影院久久久久 | 成人h精品动漫一区二区三区 | 在线无码精品秘 日本蜜桃 亚洲国产人成视频在线观看 | 成人久久免费精品视频 | 黄色免费视屏在线 | 狼人大香伊蕉国产www亚洲 | 午夜精品久久久久久久丫 | 国产精品婬最爆性视频 | 羞羞视频最新地址发布页 | wwwav在线观看 | 日本三级中文字幕 | 精品国产国产麻豆 | 黄色一级特黄国产内谢 | 麻豆精品秘 国产传媒AV消防 | 一级a性色生活片久久毛片色欲av | 一区二区三区四区视频免费看 | 日韩成人生活毛片在线视频 | 国产JVID私拍一区二区 | 国产又粗又猛又爽又黄的刘涛视频 | 日本黄色大片咪咪爱 | 午夜免费黄色视频 | 成人免费毛片 app | 欧美人与禽乱婬A片 | 精品无码少妇一区 | a国产网站最新免费app网站 | 国产视色精品亚洲一区二区 | 精品久久BBBBB免费人妻 | 福利姬一区二区三区在线播放 | 国产免费一区二区三区免费视频 | 国产精品99精品久久免费 |