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;


      亚洲国产精品热久久| 国语对白嫖老妇胖老太| 国产免费人成视频在线观看 | 成 人片 黄 色 大 片| 日韩AV中文在线| 欧美 日韩 国产 成人 在线观看| 精品免费久久久久久久| 亚洲69av| 日韩精品欧美在线| 欧美第一精品| 视频二区三区国产情侣在线| 免费99热在线观看| 亚洲国产精品日韩| 99久久精品囯产99久久久蜜月| 亚洲午夜精品第一区二区8050| 久青草青综合在线视频| 国产中文99| 欧美不卡一区二区三区免| 日本精品福利| 欧美产精品一线二线三线| 在厨房被c到高潮a毛片奶水| 91人妻人人澡人人爽人人精品| 草莓视频国产片在线观看| 亚洲欧洲无码AV一区二区三区| 亚洲成A人片在线观看你懂的| 午夜福利AV无码一区二区| 久草日B视频一二三区| 综合亚洲另类欧美久久成人精品| 国产永久AV福利在线观看| 好了av四色综合无码| 亚洲伊人成无码综合网| 美丽的姑娘免费视频观看全集高清 | 国产在线观看免费视频软件| 国产99视频精品免视看9| 美女张开腿黄网站免费| 国产内射老熟女aaaa| 久久人人爽爽爽人久久久| 国产精品va无码免费| 91熟女视频| 久久国产精品免费一区二区三区| 国产精品乱码在线观看|