国产精品中文在线-亚洲影院一区二区三区-91l九色lporny-亚洲伊人久久成人综合网-免费性片-久久一二三四区-av中文字幕亚洲-久久黄色片网站-桃色视频.m3u8-中文 日韩 欧美-亚洲欧美日韩第一页-xxxxwww69-亚洲爆乳无码精品aaa片蜜桃-亚洲色大成网站在线-国产在线视频国产永久-欧美拍拍视频免费大全-亚洲男人天堂2023-日本一级淫片色费放-三上悠亚日韩精品二区-国产精品自在线拍国产手机版

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: 人人爽日日躁夜夜躁尤物 | 欧美毛片在线 | avtt亚洲| 香蕉久久av一区二区三区 | 无码中文字幕人妻在线一区 | 波多野42部无码喷潮在线 | 欧美在线 | 亚洲 | 在线岛国片免费观看无码 | 亚洲国产av精品一区二区蜜芽 | 欧美午夜刺激影院 | 中文字幕高清在线 | 成人无码h动漫在线网站免费 | 欧美亚洲综合在线一区 | 四虎影视在线永久免费观看 | 亚洲黄在线观看 | 精品亚洲一区二区三区在线播放 | 国自产在线精品一本无码中文 | 丰满少妇夜夜爽爽高潮水网站 | 婷婷网色偷偷亚洲男人甘肃 | 黄色av在| 国产福利免费观看 | 高清成人免费视频 | 无码国产精品一区二区免费vr | 精品日产一卡2卡三卡4卡自拍 | 夜色福利院在线观看免费 | 亚洲专区路线一路线二高质量 | 女教师少妇高潮免费 | 亚洲天堂网在线观看 | 亚洲精品欧美综合四区 | 久久99精品久久久久蜜芽 | 欧洲少妇性喷潮 | 欧美高清一区三区在线专区 | 一二三四区在线 | 樱桃视频影视在线观看免费 | 亚洲国产一区二区三区a毛片 | 强制高潮xxxxhd日本 | 国产在线精品一区二区不卡顿 | 国产福利免费在线观看 | 卡1卡2卡3精品接入口 | 国产喷水吹潮在线播放91 | 亚洲视频免费播放 | 国产美女脱的黄的全免视频 | 成人免费播放视频 | 韩国av一区| 粉嫩一区二区三区色综合 | 国产老少配bbbb搡bbbb | 无码三级国产三级在线电影 | 久久天天躁狠狠躁夜夜96流白浆 | 国产精品国产三级国产av麻豆 | 成人亚洲a片v一区二区三区麻豆 | 亚洲国产福利 | 日本美女一区 | 超碰黑人 | 无码人妻丰满熟妇区五十路在线 | 亚洲色爱免费观看视频 | 亚洲国产精品无卡做爰天天 | 色欲老女人人妻综合网 | 国产精品人成视频免费vod | 日本老小玩hd老少配 | 五十六十路熟女交尾a片 | 亚洲精品日韩中文字幕久久久 | 午夜在线观看网站 | 亚洲小视频在线观看 | 99热热| 97人洗澡人人澡人人爽人人模 | 午夜精品一区二区三区在线 | 精品日产一卡2卡三卡4卡在线 | 日产麻无矿码直接进入 | 日日骚av | 亚洲a级女人内射毛片 | 欧美爽爽爽 | 精品久久久久久乱码天堂 | 涩涩精品 | 国产中文区3幕区2021 | 亚洲а∨天堂久久精品9966 | 国产a国产| 成人性生交大片免费看视频hd | 爱情岛论坛av | 色综合视频二区偷拍在线 | 国内精品久久久久久不卡影院 | 亚洲国产精品成人av | 久久久久欧美国产高潮 | 亚洲 日本 欧美 中文字幕 | 992tv精品tv视频 | 超碰精品在线观看 | 窝窝午夜看片国产精品 | 国产精品99无码一区二区 | 8050午夜二级无码中文字幕 | 欧美性猛交aaaa片黑人 | 粉嫩一区二区三区四区公司1 | 色屁屁www免费看欧美激情 | 精品人妻少妇一区二区 | 久久精品久久99 | www.久久爽| av亚州 | 天天爽夜夜爽人人爽88 | 日韩xxx视频 | 亚洲人成网线在线播放va | 欧美综合成人 |