国产激情综合五月久久,内射无码专区久久亚洲,成年无码动漫av片在线尤物,国产特级毛片aaaaaa毛片

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
{"cn":"榮譽(yù)墻","en":"Certificates"}
HIGH-TECH ENTERPRISE
2021 Electronic Solder Material professional top ten
2021 HIGH TECH ENTERPRISE
Tax Credit a Class honor certificate
Famous brand products of Guangdong Province
Guangdong Province private technology enterprises in 2009
Patent pilot enterprise
Demonstration base for innovation and industrialization
Private technology enterprises
Patent cultivation enterprise
Top ten companies in the electronic soldering material industry in 2021
2009 HIGH TECH ENTERPRISE
国产aⅴ精品一区二区三区尤物| 五月天天爽天天狠久久久综合| 玩弄人妻少妇500系列网址| 日本少妇人妻xxxxx18| 国产永久免费高清在线| 久久久一本精品99久久精品66 | 高潮毛片无遮挡高清视频播放| 日本久久久久久久做爰片日本| 国产精品永久免费| av不卡国产在线观看| 久久久久免费精品国产| 久久久精品中文字幕乱码18| 48久久国产精品性色aⅴ人妻| 国产人妻777人伦精品hd| 日韩国产精品无码一区二区三区| 性猛交ⅹxxx富婆视频| 亚洲综合国产成人无码| 国产精品久久久久免费观看| 成人免费看片又大又黄| 人人澡人人人人天天夜夜| 免费a级毛片无码无遮挡| 成熟丰满熟妇高潮xxxxx| 国产女人的高潮国语对白| 国产精品亚洲а∨天堂网不卡| 亚洲成在人线天堂网站| 欧洲美熟女乱又伦av影片| 免费观看全黄做爰大片| 在线观看国产精品日韩av| 久久香蕉国产线看观看亚洲小说 | 波多野结衣乳巨码无在线观看| 日日碰狠狠躁久久躁| 亚洲乱亚洲乱妇无码| 国产国拍亚洲精品永久69| 亚洲多毛妓女毛茸茸的| 后入内射无码人妻一区| 久久久欧美精品激情| 香蕉久久国产av一区二区| 2019最新国产不卡a| 亚洲永久精品ww47| 国产午夜无码片在线观看影视| 内射少妇一区27p|