观看毛片,国产精品一级无遮挡毛片,欧美三级视频,女人一级黄色片,国产一级欧美,在线观看免费毛片视频,毛片一级免费看

Latest information

We are an enterprise integrating R&D, production and sales of aluminum based copper clad laminate and aluminum based circuit board.

News>Industry News
2021-04-24
2012-11-09
2014 guangzhou international lighting fair (light and exhibition) invitation letter
Everybody is good!First of all, very grateful to the general new old customers has always been to jiangmen jianghai district chuanghui special electronic attention and support, it is everyone's help and care all the way, we will develop so fast.
2012-11-09
The PCB still development space FPC is the next star
PCB industry has been steadily forwardearly 2006 suffered the prices of raw materials; European Union environmentalregulations take effect on July 1. The face of increasingly fierce globalcompetition, how to grasp the opportunities of the industry, and how to defusethe pressure on raw material prices to further development and growth in thenew era of green? In the recently held 2006 circuit board industry developmentand corporate management forum, industry experts and business representativescarried out in-depth discussion on this topic.
2012-11-09
Etching process of the outer circuit of PCBs
Currently, thetypical process of the printed circuit board (PCB) processing uses a patternplating method. I.e. first on the board outer copper foil portion to beretained, which is the graphical portion of the circuit, on pre-plating layerof tin-lead resist layer, and then chemically etched away the rest of thecopper foil, called etching.
Industry News
通榆县| 陇川县| 大邑县| 淳化县| 惠东县| 临城县| 贡觉县| 柳林县| 拜城县| 夏邑县| 西畴县| 自贡市| 凤山县| 海盐县| 夏河县| 涞水县| 两当县| 晋城| 同心县| 曲阳县| 梅河口市| 南江县| 长丰县| 青河县| 高安市| 隆化县| 普兰县| 报价| 定结县| 京山县| 连云港市| 文安县| 军事| 自贡市| 泰兴市| 湘阴县| 瑞昌市| 包头市| 哈巴河县| 天等县| 牙克石市|