• <thead id="cleyn"></thead>
    1. <bdo id="cleyn"></bdo>
      
      
      <bdo id="cleyn"><code id="cleyn"><nav id="cleyn"></nav></code></bdo>
      <rt id="cleyn"><strike id="cleyn"></strike></rt>
      亚洲啪av永久无码精品放毛片,好屌草这里只有精品,国产精品激情av久久久青桔,在线va无码中文字幕,无码超级大爆乳在线播放,涩欲国产一区二区三区四区,精品无码免费专区毛片,东京热无码国产精品
      Company Profile
      Enterprise Profile
      1999
      Date of Incorporation
      5
      %
      +
      Proportion of R&D Investment turnover
      10
      %
      Proportion of R&D Personnel companies
      20
      People
      +
      Research and development elite team led by doctoral supervisor

      Guangdong Zhongshi Metal Co., LTD., a high-tech enterprise, welding material supplier for national aerospace and military units, is a manufacturer that provides high-quality welding materials and customized metal materials for aerospace, military and civil industries. Founded in 1999, the company is headquartered in Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province. The registered capital is 22 million yuan, with an annual capacity of 8,000 tons.

      ?

      The company's products are: preformed solder, solder paste, tin wire, tin bar, BGA tin ball, anode rod, flux, cleaning agent, adhesive, gold wire and gold belt series, custom high precision copper shaped wire and other categories. Products are used in military, aerospace, medical, global electronics and other fields. Cooperative customers include China Aerospace Science and Industry Corporation, Aerospace Science and Technology Group, China Electronics, China Weapons, China Shipbuilding, Chinese Academy of Sciences, Guilin Aerospace Electronics, Shaanxi Aerospace Navigation Equipment Co., LTD., Huawei, ZTE, TCL, BYD, Jingxin Communications, Emerson, Huabai, Huaqin Group, Quanhan, etc.

      ?

      The company has more than 30 independent research and development patents, including 21 invention patents authorized, 2 appearance patents authorized, 1 utility model authorized, and 7 invention patents currently under actual examination. Among them, the patent of "a halogen-free flux for lead-free solder paste and its preparation method" is applied to any product with halogen-free requirements and focuses on environmental protection. The patents of "A high reliability low temperature lead-free solder paste and its preparation method" and "a cored solder wire solid flux that can reduce flying" are suitable for a variety of electronic base plate materials and multiple process Windows, and have a wide range of applications in the electronics industry.

      ?

      The company has won a number of honorary titles, and has been awarded as "National high-tech Enterprise", "Guangdong Engineering Technology Research Center", "Guangdong Famous brand products", "electronic tin solder professional top ten enterprises", "Guangdong Province contract and credit enterprises", "Dongguan patent cultivation Enterprise" and other honorary titles.

      ?

      Committed to R & D innovation is the core value of the company, the company's annual investment in R & D funds accounted for more than 5% of the turnover, R & D team has senior, professional, assistant R & D engineers 19, accounting for about 10% of all members. In addition, the company has conducted technical exchanges and cooperation with Tsinghua University, South China Institute of Technology, Ukraine Barton Welding Research Institute and other universities for a long time, and formed a research and development elite team led by a doctoral supervisor.

      ?

      Zhongshi will adhere to the concept of scientific research and innovation, quality first, and customer service, and strive to be the leader of the global industry.

      Zhongshi spirit: innovation and enterprising, the pursuit of excellence, create and share, return to society.

      Milestone

      Zhongshi enterprise, with its innovative design, excellent products, has been widely recognized in the industry. Through 30 years of development, along the way, it has successfully become a leader in the production of large-scale electronic tin solders in China!

      2022

      Recognized as “National Specialized and Sophisticated enterprise” by the Ministry of Industry and Information Technology

      2021

      Worked in the technical committee to draft the national standard of copper channel wire

      2020

      Worked in the technical committee to draft and publish the national standard“Tin-Lead (GB/T 3131-2020)”

      ?

      Equipment upgrade.

      2017

      Launched the program of electronics packaging in New Energy Vehicles

      ?

      Established Zhongshi Academician Workstation with Academician Korzhyk Volodymyr from China-Ukraine Institute of Welding, Guangdong Academy of Sciences

      2016

      Worked in the technical committee to draft and publish the industrial standard “No-clean liquid flux (SJT11273-2016)”

      2015

      Started to cooperate with Electronics and Semiconductor Packaging industry.

      ?

      Introduced high precision alloy and copper profiles equipment and technology.

      2013

      Established Guangdong Provincial Engineering and Technological Research Center for Brazing in Zhongshi.

      ?

      Cooperated with South China University of Technology.

      2012

      Moved to Songshan Lake High-Tech Zone of Dongguan City

      2010

      Renamed as Guangdong Zhongshi Metals Co., Ltd

      2010

      Recognized as China National hi-tech enterprise

      ?

      Registered “Zhongshi”as our trademark

      2008

      Acquiring Beijing Aerospace Solder Material Factory (a subsidiary of China Aerospace Science and Industry Co., Ltd.), marked we are becoming an technology oriented company.

      ?

      Invented water-based no-clean flux with no volatile organic compounds, halogen-free and low solid content; and soldering flux products came to market.?

      ?

      Introduced solder preforms equipment and technology.

      2004

      Renamed as Dongguan Zhongshi Solder Co., Ltd

      2003

      According to RoHS standards, lead-free solder products came to market

      Be a member of Electronic Tin Solder branch of China Electronics Materials Industry Association

      1999

      Dongguan Humen Zhongshi Solder Factory established

      Company Philosophy
      Enterprise Purpose

      Tree technology star,

      Set up green pine sea sail.

      Enterprise Mission

      Development and promotion of environmental protection products,

      Protect the human living environment.

      Corporate Vision

      To be the leader of the Chinese industry,

      Create an international brand and serve the space industry

      Enterprise Philosophy

      Talent elite,Management Standardization

      Quality standardization.

      Enterprise Spirit

      Innovation and enterprising,The pursuit of excellence

      Create sharing,Return to society

      Certificates
      Company Profile
      主站蜘蛛池模板: 欧美精品国产制服第一页| 色爱av综合网站| 午夜av亚洲一码二中文字幕青青 | 精品人妻人人做人人爽| 45分钟免费真人视频| 中文字幕亚洲综合久久蜜桃| 人妻无码vs中文字幕久久av爆| 国产综合色产在线精品| 在线观看午夜福利院视频| 蜜桃视频在线观看免费视频网站www| 蜜臀久久99精品久久久久久小说 | 国产a大片免费| 玩弄放荡人妻一区二区三区| 国产乱对白精彩| 久久久亚洲欧洲日产国码αv | 美女疯狂连续喷潮视频| 国产福利在线永久视频| 真人啪啪高潮喷水呻吟无遮挡| 久久精品这里热有精品| 性色av一区二区三区v视界影院| 在线看免费无码av天堂| 日韩精品一区二区三区中文不卡 | 亚洲欧美成人综合图区| 国产久青青青青在线观看| 艳妇乳肉豪妇荡乳在线观看| 乌克兰性欧美精品高清| 真人无码国产作爱免费视频| 亚拍精品一区二区三区探花| 久久ee热这里只有精品| 新版天堂资源中文www连接| 少妇爆乳无码专区av无码| 无码精品久久一区二区三区| 亚洲日韩中文在线精品第一| 欧美激情一区二区三区| 国产又色又爽又黄的| 亚洲中文无码人a∨在线导航| 97视频热人人精品免费| 99欧美日本一区二区留学生| 青青久在线视观看视| 国产美女自卫慰黄网站| 一本久道综合在线中文无码|