久久青青亚洲国产|久久无吗喷水喷潮视频|日本亚洲国产精品久久|91高端极品外围在线观看|日本最新一区二区三区在线|久久久久久久一区二区三区|欧美国产亚洲精品成人a v|久久99国产精品久久99小说

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:

  

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

灌云县| 秦皇岛市| 成安县| 陇西县| 石泉县| 崇左市| 星座| 二连浩特市| 凤冈县| 游戏| 五原县| 乐业县| 浦城县| 凤阳县| 五寨县| 龙山县| 会东县| 灌阳县| 江安县| 金堂县| 永胜县| 万宁市| 凌云县| 宁陵县| 宜兰市| 塘沽区| 南平市| 青田县| 收藏| 宜春市| 垣曲县| 寿光市| 黎川县| 博爱县| 云南省| 房产| 揭东县| 南宁市| 泾源县| 武定县| 柯坪县|