成av人片一区二区三区久久,伊人久久大香线蕉av一区二区,韩国无码色视频在线观看,精品h动漫无遮挡在线看中文

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
久久国产午夜精品理论片34页| 精品国产av 无码一区二区三区| 欧美乱妇日本无乱码特黄大片| 免费无遮挡禁18污污网站| 中文字幕无码不卡一区二区三区| 国产欧美在线一区二区三| 国产欧美性成人精品午夜| 欧美国产日韩久久mv| 无码专区中文字幕无码| 浪潮av色综合久久天堂| 国产免费午夜福利不卡片在线| 婷婷国产成人精品视频| 欧美成人精品一区二区综合 | 国产人妻人伦精品1国产盗摄| 中文字幕精品一二三四五六七八| av边做边流奶水无码免费| 国产日韩欧美不卡在线二区| 最新亚洲精品国偷自产在线| 中文精品久久久久人妻不卡| 色婷婷狠狠97成为人免费| 久久久国产精品亚洲一区| 国产福利视频一区二区精品| 特级欧美插插插插插bbbbb| 99精品视频在线观看婷婷 | 青青青国产在线观看免费| 51久久成人国产精品麻豆| 麻豆国产人妻欲求不满谁演的| 天堂网www中文在线| 国产精品人成在线播放新网站| 亚洲天堂2017无码中文| 亚洲精品国产av现线| 性高湖久久久久久久久| 久99久精品免费视频热| 大桥久未无码吹潮在线观看| 精品国产国产综合精品| 久久婷婷五月综合色精品| 男女免费观看做爰视频在线观看| 老熟女 露脸 嗷嗷叫| 亚洲伊人成无码综合影院| 人人妻人人爽人人澡欧美一区| 久久亚洲中文字幕精品有坂深雪|