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
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.

亚洲熟妇av综合网| 亚无码乱人伦一区二区| aa片在线观看视频在线播放| 亚洲色成人网站永久| 小说区 综合区 首页| 老司机久久99久久精品播放| 久久精品国产久精国产一老狼| 久久99国产精品久久99软件| 欧美日韩一区二区成人午夜电影| 亚洲日韩欧美国产另类综合 | 蜜桃av亚洲精品一区二区| 国产乱人无码伦av在线a| 成人无码av网站在线观看| 激情综合色综合啪啪五月丁香搜索 | 丝袜美腿丝袜亚洲综合| 久久夜色精品国产欧美乱极品| 欧美成人免费一区二区三区视频| 成人午夜视频精品一区| 午夜福利伦伦电影理论片在线观看| 狠狠色综合网站久久久久久久| 非洲人与性动交ccoo| 免费观看美女裸体网站| 色综合亚洲一区二区小说性色aⅴ 亚洲国产果果在线播放在线 | 国产美女裸身网站免费观看视频| 日本高清aⅴ毛片免费| 欧洲国产精品无码专区影院| 18禁黄污无遮挡无码网站| 国产 欧美 亚洲 中文字幕| 国产主播一区二区三区在线观看| 中文字幕无码家庭乱欲| 成人免费毛片aaaaaa片| 亚洲精品久久区二区三区蜜桃臀| 国产v综合v亚洲欧美久久| 国产男小鲜肉同志免费| 人妻 日韩 欧美 综合 制服| 无码人妻一区二区三区av| 50岁熟妇大白屁股真爽| 美女裸体视频永久免费| 国产超碰人人做人人爽av大片| 亚洲日本中文字幕在线四区| 天天做天天爱夜夜夜爽毛片|