欧美在线观看免费人成|日韩一区二区三区不卡|永久免费AV无码打屁股|麻豆一区二区99久久久久|中文字幕丰满人妻无码专区|国产精品成人va在线播放|亚洲精品无码久久久久久自慰|亚洲五月婷婷国产中文久久精品

中文
EN

National service hotline:   13956259526      13905620906

Business philosophy

Quality is the lifeline

News

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

News

Study on the cavity of package mould by Tongling Yuanyi Precision Machinery Co., Ltd.
Release time:2019-05-16 09:04:40 | Browse times:431

  

According to the characteristics of some packaged molds, through the study of EDM discharge technology, we have effectively solved the uniformity of the surface roughness of the QFN type cavity surface, the SOT/SOP type cavity surface release, and the spherical contour of the LED spherical cavity. Degree, mirror surface roughness.


 

 
 Last chapter:The development of the mold industry puts new demands on equipment
 Next chapter:Company's 10th Anniversary Celebration: Huangshan Hongcun 2 day Tour
HOME/ ABOUT YUANYI/ News/ PRODUCT/ Join us/ Contact us/ Message/ Answers/

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

Copyright of Tongling Yuanyi Precision Machinery Co., Ltd. Technical support:Creation Network

万载县| 巍山| 峡江县| 基隆市| 武冈市| 盐池县| 雅安市| 临颍县| 黎川县| 建水县| 伊金霍洛旗| 汝阳县| 吉木萨尔县| 宁陕县| 胶州市| 宝山区| 谢通门县| 烟台市| 安庆市| 垫江县| 浙江省| 无为县| 六安市| 乐山市| 济源市| 阿拉善左旗| 泸西县| 夏河县| 浮梁县| 临夏县| 太保市| 镇康县| 鹤壁市| 西和县| 逊克县| 喜德县| 阿城市| 江门市| 普兰店市| 江油市| 贡觉县|