1. <i id="pie03"></i>
      <strike id="pie03"><table id="pie03"></table></strike>
      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

      国品精品一区二区在线观看,青青青国产在线观看免费2020,人妻中文字幕野外,国产又粗又长又爽又黄视频

        1. <i id="pie03"></i>
          <strike id="pie03"><table id="pie03"></table></strike>