就要干成人网,国产免费无码一区二区视频,久久一日本道色综合久久,国产内射xxxxx在线

SCIENTIFIC RESEARCH
Research Achievement

"Scientific research and innovation, layout of the future" is the foundation of Zhongshi in the first place in the industry and the expansion of territory. Since its establishment, Zhongshi has continuously attracted outstanding scientific research talents, created a research and development elite team led by doctoral supervisors and complete levels, and equipped with high-end research and development laboratories, so that Zhongshi products from research and development to demonstration testing, and then to batch listing to form a scientific and rigorous management system. At the same time, Zhongshi has achieved fruitful scientific research results, contributed a number of important patented products to the industry, and is a national standard drafting unit.

The invention relates to a silver-plated palladium alloy microsphere conductive adhesive and a preparation method thereof

Patent Number: CN200810180480.9

A high reliability low temperature lead-free solder paste and its preparation method

Patent Number: CN201610276455.5

A water-based cleaning agent can reduce the emission of pollutants in the cleaning of circuit boards

Patent Number: CN201410158283.2

A cleaning agent that can remove frosty residue from circuit boards

Patent Number: CN201410156472.6

A water-based soldering flux that can reduce the emission of pollutants during tin welding

Patent Number: CN201310238354.5

A solid flux with cored solder wire that reduces flight

Patent Number: CN201310239732.1

?

A halogen-free flux for lead-free solder paste and its preparation method

Patent Number: CN201210574561.3

A multicomponent eutectic lead-free solder of Sn-Zn-Bi and its preparation method

Patent Number: CN201210018765.9

A water cleaning flux for lead-free soldering and its preparation method

Patent Number: CN200910148739.6

A copper surface protectant for lead-free printed circuit board and its preparation method

Patent Number: CN200910131311.0

A water-based no-clean flux with no volatile organic compounds, no halogen and low solid content

Patent Number: CN200610078040.3

主站蜘蛛池模板: 信丰县| 云梦县| 高密市| 定西市| 丁青县| 东城区| 剑河县| 石棉县| 昌邑市| 永嘉县| 舒城县| 都昌县| 彩票| 林口县| 松潘县| 德安县| 景东| 万全县| 宜阳县| 浠水县| 应城市| 孝义市| 阿坝县| 谷城县| 晴隆县| 蕉岭县| 保康县| 怀安县| 乐平市| 广宁县| 沈阳市| 阳朔县| 兴山县| 巴东县| 牟定县| 东宁县| 玉门市| 措勤县| 洞口县| 康定县| 南华县|