国产精品福利一区二区,精品国产免费人成电影在线看,久久精品亚洲国产,激情综合色综合啪啪五月丁香,中文毛片无遮挡高潮免费,成在人线AV无码免费高潮喷水,黄A无码片内射无码视频,无码视频一区二区三区,成AV免费大片黄在线观看,丁香色婷婷国产精品视频

      Welcome to the official website of Legret Metal Company
      Focus on electronic welding for 20 yearsDONGGUAN LEGRET METAL.,LTD
      National consultation hotline:135-2799-2739
      Contact US
      mobile phone: 135-2799-2739
      Service hotline: 0769-38893080
      Email: lzd@dglzd.com
      Address: Dongguan lvzhidao Metal Co., Ltd
      Contact person: Manager Zeng
      Development history

      Mr. Zhu zusheng founded the team in 2000;


      In 2004, Yingfeng solder factory was established in sangyuan, Dongguan, and has been in the solder industry since then;


      In 2005, he moved to chatou and changed his name to lvzhidao solder products factory;


      In 2007, the company moved to Tianbian village, Shipai town, and set up its own scientific research department;


      In 2010, in order to meet the needs of the company's development, the company officially changed its name to lvzhidao Metal Co., Ltd. and expanded its product line, with a wider range of products;


      In 2011, the solder paste production group was upgraded to solder paste business division;


      In 2013, it formally reached an agreement with Foshan Institute of polymer, Chinese Academy of Sciences, and successfully became a cooperation unit between the Institute and enterprises, and established a joint laboratory;


      In 2014, Huizhou lvzhidao Industrial Materials Co., Ltd. was established;


      In 2015, it passed various certifications to provide guarantee for environmental protection and meet the needs of environmental protection;


      In 2016, Hong Kong Green Island Industrial Co., Ltd. was established;


      In 2020, the solder paste department will be expanded again;


      免费看黄a级毛片| 久久国产劲暴∨内射新川| 精品久久久久久综合日本| 中文字幕久久精品无码| 亚洲成AV人片在线观看不卡| 精品无码人妻被多人侵犯AV| 伊人精品无码AV一区二区三区| 少妇极品熟妇人妻100| 久久午夜夜伦鲁鲁片无码免费| 欧美国产日本高清不卡| 青青草中文字幕| 中文字幕第二页精品一区| 久久综合狠狠色综合伊人| 日产亚洲一区二区三区| 中文在线第一页| 久久国产精品99久久久久久老狼| 国产91专区| 日韩污视频在线观看| 国产AV无码国产永久播放| 中文区中文字幕免费看| 亚洲欧洲自拍拍偷午夜色无码| 4455ee日本高清免费观看 | 亚洲成AV大片大片在线播放| 久久久无码精品亚洲日韩蜜桃| 婷婷四房综合激情五月在线 | 日本一区二区在线播放| 国产精品久久久久久一区二区三区 | 国产综合精品| 五十路中文字幕| 国产99高清一区二区| 亚洲成aⅴ人片久青草影院按摩| 国产成人影院在线观看| 国产96在线 | 免费| 柠檬福利精品视频导航| 亚洲 欧美 国产 日韩 中文字幕| 成人乱码一区二区三区AV| 精品国产一区av天美传媒| 强行18分钟处破痛哭av| 浪货跪下给我好好含着羞辱调教 | 五月天婷婷丁香激情六月久久 | 7777久久亚洲中文字幕蜜桃|