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
Tongling Yuanyi Precision Machinery Co., Ltd. obtained the re-evaluation of the quality management system certification on Feb 17,2025
The company has a number of self-developed utility model patents.
1.Semiconductor package mold injection head structure
2.Battery PVC film cutting mold
3.Medical mechanical traction rod bending device
4.Medical machinery testing platform
5.Medical device testing device for medical detection
6. An EDM machine that works efficiently and stably
7. Slow wire machine for stable operation of integrated circuit molds
8. EDM cutting machine for easy recycling of spark oil for integrated circuit molds
9. A fast automatic clamping and feeding lathe
10. A grinder to improve the machining accuracy of shaft parts
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
| 免费看无码一级A片放24小时 | 国产亚洲精品无码成人网站小说 | ,粉嫩小泬BBBB免费看 | 精品国产免费无码久久久密月 | 91精品少妇一区二区三区蜜桃臀 | 99久久综合精品国产成人一区无码 | 久久捆绑美女AV | 亚洲成人AV在线 | 西西4444www大胆高清双腿 | 日本黄色视频在线观看 | 中文字幕在线观看一区二区三区 | 狠狠色噜噜色狠狠狠综合久久成人 | 麻豆精品秘 国产 | 中文本幕 的搜索结果 - 91n | 亚洲精品在线免费观看视频 | 久久精品一区二区三区四区 | 寡妇熟妇高潮片AAA 看国产熟妇乱子伦 | 欧美一级大片免费看 | 成人 免费视频A片视频88p | www.av在线 | ▓成人涩涩屋视频▓无码免费A片 | 色欲av秘 臀av高清红桃 | 后进极品白嫩翘臀在线视频 | 亚洲AV无码乱码A片无码沈樵 | 天天躁日日躁狠狠躁喷水软件 | 国产寡妇婬乱A毛片视频杏吧传媒 | 四川农村少妇一级毛片 | 国产又爽 又黄 免费视频两年半 | 91人妻人人澡人人爽人人爽 | 国产精品扒开腿做爽爽爽日本无码 | 亚洲乱色熟女一区二区三区 | 国产精品人妻熟女毛片a 6 2v久久 | 强辱丰满人妻HD中文字幕 | 久久国产精品一区二区 | 一级a性色生活片久久无 | 少妇wwB搡BBBB91 | 国产成人免费观看 | 亚洲日韩欧美一区 | 91成人做爰A片无遮挡直播 | 特级小箩利无套内谢A片 |