国产精品揄拍一区二区久久国内亚洲精 I 日韩啪啪网 I 操你综合 I 亚欧成人网 I 亚洲成a∧人片在线观看无码 I 日本黄色一级网站 I 国产有码aaaae毛片视频 I 色妇综合 I 国产精品 经典三级 亚洲 I 夜夜狠狠 I 不卡影院av I 在线观看国产成人av天堂 I 最新精品视频2020在线视频 I 中文在线字幕免费观看av I 日日骚一区二区三区 I 亚洲欧美精选 I 精品视频在线观看视频 I 超碰97av在线 I 国产欧美在线播放 I 66com色麻豆 I 91精品91久久久中77777老牛 I 国产在沙发上午睡被强 I 国产亚洲黑人性受xxxx精品 I 亚洲丁香色 I 青青草福利视频 I av免费国产 I 日韩在线 | 中文 I 色婷婷精品大在线视频 I 日本97av I 午夜一级大片 I 久久久久麻豆v国产精华液好用吗 I 韩国中文字幕av I 久久久久麻豆

Company Profile
Company Profile
|
2023.08.14
Enterprise Profile

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.

主站蜘蛛池模板: 亚洲欧美日韩久久一区二区 | 中文有码无码人妻在线短视频 | 欧美一区二区日韩国产 | 久久成人国产精品 | 五月综合缴情婷婷六月 | 青青草无码免费一二三区 | 少妇粗大进出白浆嘿嘿视频 | 日本国产制服丝袜一区 | 波多野结衣一区二区三区高清 | 国产精品人人妻人人爽人人牛 | 无码人妻丰满熟妇区五十路 | 午夜亚洲乱码伦小说区69堂 | 日本三级欧美三级人妇视频黑白配 | 日本黄页在线观看 | 日木亚洲精品无码专区 | 国产欧美亚洲精品第二区软件 | 少妇的丰满人妻hd高清 | 日韩人妻中文无码一区二区七区 | 国产人妖视频一区二区 | 亚洲伦无码中文字幕另类 | 97人人超碰国产精品 | 国语对白做受xxxxx在线中国 | 综合网日日天干夜夜久久 | 97无码精品综合 | 无码乱码av天堂一区二区 | 无码人妻久久一区二区三区 | 四虎国产精品永久在线观看 | 中文字幕乱码中文乱码777 | 国产乱子夫妻xx黑人xyx真爽 | 日韩av无码免费播放 | 亚洲国产成人无码av在线影院l | 亚洲综合伊人久久综合 | 国产精华一区二区三区 | 自慰无码一区二区三区 | 久久青青草原国产毛片 | 99久久久无码国产精品不卡 | 久久人人爽人人爽人人片av东京热 | 婷婷久久久亚洲欧洲日产国码av | 久久毛片免费看一区二区三区 | 精品一区二区三区无码免费视频 | 欧美日韩一卡2卡三卡4卡 乱码欧美孕交 |