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
| 【無碼破解版】 在线 | 亚洲秘 无码一区二区三区电影 | 波多野结衣20次连续高潮 | 欧美丰满少妇猛烈进入A片蜜桃 | 苍井空亚洲精品AA片在线播放 | 欧美嘼交ⅹⅹⅹ╳A片 | 久久精品人妻一区二区三区 | 风间由美性色一区二区三区_第1集 | 无码人妻精品一区二区三区99仓 | 无码国产精品一区二区色情 | 亚洲AV成人无码久久精品贰佰网 | 亚洲区小说区图片区QVOD | 亚洲日韩中文字幕 | 人人妻人人澡爽DVD盘锦 | 午夜理理伦电影A片无码蜜桃av | 国产一级婬乱片A片AAA图片 | 四川少妇BBB搡BBB爽爽爽 | 国产精品秘 一区二区入口九绯色 | 欧美一级在线观看 | 亚洲AV乱码一区二区三区老胖妞 | 日韩精品无码熟人视频 | 无码一级毛片一区二区视频 | 国产人妻精品一区二区三水牛影视 | 午夜福利伦伦电影理论片结婚前夜 | 日韩欧美成人精品免费一区二区 | 最强破解版无码流出 | 亚洲国产成人无码17c | 国产欧美精品一区二区 | 一区二区三区福利视频 | 亚洲精品一区二区三区中文字幕 | 国产一区二区视频在线观看 | 草1024榴社区成人影院在线成人 | 无遮挡120秒试看3分钟 | 无码又爽又刺激A片涩涩A站网址 | 免费看羞羞视频无遮挡 | 秋霞午夜鲁丝一区二区老狼 | 人妻无码一区二区三区久久久 | 国产无套精品一区二区 | 国产老熟女高潮毛片A片仙踪林 | 国产黄色视频在线观看 |